12556472 has 24 divisors (see below), whose sum is σ = 25014360. Its totient is φ = 5907840.

The previous prime is 12556471. The next prime is 12556477. The reversal of 12556472 is 27465521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12556471) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 404 + ... + 5027.

It is an arithmetic number, because the mean of its divisors is an integer number (1042265).

Almost surely, 2^12556472 is an apocalyptic number.

It is an amenable number.

12556472 is a deficient number, since it is larger than the sum of its proper divisors (12457888).

12556472 is a wasteful number, since it uses less digits than its factorization.

12556472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5471 (or 5450 counting only the distinct ones).

The product of its digits is 16800, while the sum is 32.

The square root of 12556472 is about 3543.5112529806. The cubic root of 12556472 is about 232.4284097618.

The spelling of 12556472 in words is "twelve million, five hundred fifty-six thousand, four hundred seventy-two".