12500

12500 is a natural number that follows 12499 and precedes 12501. It is an even, composite number with prime factorization 2^2 × 5^5, which means it is divisible by 4 and by 5 as well as by other combinations of these factors. It has 18 positive divisors, and the sum of all its divisors is 27342, giving a sum of proper divisors equal to 14842.

In common numeral systems, 12500 decimal has representations in several bases: binary 11000011010100, octal 30324, and hexadecimal C354. These representations reflect its factorization pattern and allow quick conversion between bases for computational and encoding tasks.

12500 also has straightforward applications in measurement. For example, 12500 meters equals 12.5 kilometers, illustrating how the number scales into real-world distances. It is also a multiple of 100, as 12500 = 125 × 100, which occasionally simplifies unit conversions and arithmetic in practical calculations.

Beyond pure arithmetic, 12500 can appear as a catalog or designation number in various contexts. As a specific identifier, it does not carry a single universally acknowledged meaning, but like many integers, it serves as a convenient label in numbering schemes, datasets, and inventory systems. In calendar terms, 12500 CE would lie far in the future, while 12500 BCE would fall into ancient periods, depending on the regional chronology used.