12464656 has 20 divisors (see below), whose sum is σ = 24740604. Its totient is φ = 6080000.

The previous prime is 12464651. The next prime is 12464657. The reversal of 12464656 is 65646421.

It can be written as a sum of positive squares in 2 ways, for example, as 1175056 + 11289600 = 1084^2 + 3360^2 .

It is not an unprimeable number, because it can be changed into a prime (12464651) 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, 8845 + ... + 10156.

Almost surely, 2^12464656 is an apocalyptic number.

12464656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12464656 is a deficient number, since it is larger than the sum of its proper divisors (12275948).

12464656 is a wasteful number, since it uses less digits than its factorization.

12464656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19050 (or 19044 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 12464656 is about 3530.5319712474. The cubic root of 12464656 is about 231.8604987747.

The spelling of 12464656 in words is "twelve million, four hundred sixty-four thousand, six hundred fifty-six".