12664552 has 16 divisors (see below), whose sum is σ = 23783940. Its totient is φ = 6322176.

The previous prime is 12664549. The next prime is 12664579. The reversal of 12664552 is 25546621.

12664552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9821956 + 2842596 = 3134^2 + 1686^2 .

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, 8538 + ... + 9910.

Almost surely, 2^12664552 is an apocalyptic number.

It is an amenable number.

12664552 is a deficient number, since it is larger than the sum of its proper divisors (11119388).

12664552 is a wasteful number, since it uses less digits than its factorization.

12664552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2532 (or 2528 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 12664552 is about 3558.7289865906. The cubic root of 12664552 is about 233.0933823532.

The spelling of 12664552 in words is "twelve million, six hundred sixty-four thousand, five hundred fifty-two".