12556464 has 20 divisors (see below), whose sum is σ = 32437656. Its totient is φ = 4185472.

The previous prime is 12556463. The next prime is 12556469. The reversal of 12556464 is 46465521.

It is not an unprimeable number, because it can be changed into a prime (12556463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130749 + ... + 130844.

Almost surely, 2^12556464 is an apocalyptic number.

It is an amenable number.

12556464 is an abundant number, since it is smaller than the sum of its proper divisors (19881192).

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

12556464 is a wasteful number, since it uses less digits than its factorization.

12556464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261604 (or 261598 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

The square root of 12556464 is about 3543.5101241566. The cubic root of 12556464 is about 232.4283604001.

The spelling of 12556464 in words is "twelve million, five hundred fifty-six thousand, four hundred sixty-four".