12657464 has 16 divisors (see below), whose sum is σ = 23964720. Its totient is φ = 6266880.

The previous prime is 12657461. The next prime is 12657467. The reversal of 12657464 is 46475621.

It is an interprime number because it is at equal distance from previous prime (12657461) and next prime (12657467).

It is a super-2 number, since 2×12657464² = 320422789822592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12657461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6857 + ... + 8504.

It is an arithmetic number, because the mean of its divisors is an integer number (1497795).

Almost surely, 2^12657464 is an apocalyptic number.

It is an amenable number.

12657464 is a deficient number, since it is larger than the sum of its proper divisors (11307256).

12657464 is a wasteful number, since it uses less digits than its factorization.

12657464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15470 (or 15466 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 12657464 is about 3557.7329860460. The cubic root of 12657464 is about 233.0498889286.

The spelling of 12657464 in words is "twelve million, six hundred fifty-seven thousand, four hundred sixty-four".