12608664 has 16 divisors (see below), whose sum is σ = 31521720. Its totient is φ = 4202880.

The previous prime is 12608627. The next prime is 12608671. The reversal of 12608664 is 46680621.

It is a happy number.

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, 262657 + ... + 262704.

Almost surely, 2^12608664 is an apocalyptic number.

It is an amenable number.

12608664 is an abundant number, since it is smaller than the sum of its proper divisors (18913056).

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

12608664 is a wasteful number, since it uses less digits than its factorization.

12608664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525370 (or 525366 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 12608664 is about 3550.8680628827. The cubic root of 12608664 is about 232.7500004807.

The spelling of 12608664 in words is "twelve million, six hundred eight thousand, six hundred sixty-four".