12390

12390 is a natural number that follows 12389 and precedes 12391. It is an even, composite integer with a prime factorization of 2 × 3 × 5 × 7 × 59, which means it has 32 positive divisors.

The sum of all divisors of 12390, including the number itself, is 34560, while the sum of its proper divisors is 22170. Because the sum of proper divisors exceeds the number, 12390 is classified as an abundant number. Its decimal representation contains a zero, and its digits sum to 15.

In base-10 arithmetic, 12390 is also a Harshad (or Niven) number since it is divisible by the sum of its digits: 12390 ÷ 15 = 826. This property holds for many numbers but is not universal.

Outside of pure mathematics, 12390 may appear as a numeric designation in various systems, such as catalog numbers, model numbers, or geographic codes. The specific meaning of 12390 in any given context depends on the conventions of that system, rather than on the number itself. As such, it is primarily understood through its mathematical properties when considered in a general sense.