12663724 has 12 divisors (see below), whose sum is σ = 22262464. Its totient is φ = 6303024.

The previous prime is 12663697. The next prime is 12663733. The reversal of 12663724 is 42736621.

12663724 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6207 + ... + 7990.

Almost surely, 2^12663724 is an apocalyptic number.

It is an amenable number.

12663724 is a deficient number, since it is larger than the sum of its proper divisors (9598740).

12663724 is a wasteful number, since it uses less digits than its factorization.

12663724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14424 (or 14422 counting only the distinct ones).

The product of its digits is 12096, while the sum is 31.

The square root of 12663724 is about 3558.6126510201. The cubic root of 12663724 is about 233.0883024123.

The spelling of 12663724 in words is "twelve million, six hundred sixty-three thousand, seven hundred twenty-four".