12820

12820 is a four-digit integer. It follows the integer 12819 and precedes the integer 12821. In Roman numerals, it would be represented as XII DCCC XX.

The prime factorization of 12820 is 2^2 * 5 * 641. The number 641 is a prime number. 12820 is an even number, divisible by 2. It is also divisible by 4, 5, and 10 due to its trailing zeros and the presence of 5 in its prime factors. Its divisors include 1, 2, 4, 5, 10, 20, 641, 1282, 2564, 3205, 6410, and 12820.

The sum of its digits is 1 + 2 + 8 + 2 + 0 = 13. 12820 is not a perfect square or a perfect cube.

In scientific notation, 12820 can be written as 1.2820 x 10^4.

The context in which "12820" might appear could vary widely. It could be a part of a measurement, a code, a model number, a historical date (though unlikely as a year), or simply a numerical quantity in a dataset. Without further context, its significance is purely mathematical as an integer.