12664752 has 20 divisors (see below), whose sum is σ = 32717400. Its totient is φ = 4221568.

The previous prime is 12664741. The next prime is 12664781. The reversal of 12664752 is 25746621.

12664752 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 131877 + ... + 131972.

It is an arithmetic number, because the mean of its divisors is an integer number (1635870).

Almost surely, 2^12664752 is an apocalyptic number.

12664752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12664752 is an abundant number, since it is smaller than the sum of its proper divisors (20052648).

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

12664752 is a wasteful number, since it uses less digits than its factorization.

12664752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263860 (or 263854 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 12664752 is about 3558.7570863997. The cubic root of 12664752 is about 233.0946093589.

The spelling of 12664752 in words is "twelve million, six hundred sixty-four thousand, seven hundred fifty-two".