12492456 has 32 divisors (see below), whose sum is σ = 31349760. Its totient is φ = 4148352.

The previous prime is 12492451. The next prime is 12492457. The reversal of 12492456 is 65429421.

It is a super-2 number, since 2×12492456² = 312122913823872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12492451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6681 + ... + 8343.

It is an arithmetic number, because the mean of its divisors is an integer number (979680).

Almost surely, 2^12492456 is an apocalyptic number.

It is an amenable number.

12492456 is an abundant number, since it is smaller than the sum of its proper divisors (18857304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12492456 is a wasteful number, since it uses less digits than its factorization.

12492456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1985 (or 1981 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 12492456 is about 3534.4668622014. The cubic root of 12492456 is about 232.0327440902.

The spelling of 12492456 in words is "twelve million, four hundred ninety-two thousand, four hundred fifty-six".