12312

12312 is a natural number that sits between 12311 and 12313. It is an even, composite integer with a prime factorization of 2^3 × 3^4 × 19. This factorization implies a relatively large set of divisors: exactly 40 positive divisors in total.

Its digit sum is 1+2+3+1+2 = 9, so the number is divisible by 9 and by 3, and consequently by 27 and by 81 as well. Therefore 12312 is a Harshad number, also known as a Niven number, because it is divisible by the sum of its digits.

In different bases, 12312 has the representations: binary 11000000011000, hexadecimal 0x3018, and octal 30030 (prefix 0o: 0o30030).

The mathematical properties of 12312 are typical of numbers with prime factors 2, 3, and 19. The number is used in illustrating divisors, base conversions, and factorization concepts in introductory number theory.