12604664 has 8 divisors (see below), whose sum is σ = 23633760. Its totient is φ = 6302328.

The previous prime is 12604661. The next prime is 12604703. The reversal of 12604664 is 46640621.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12604661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 787784 + ... + 787799.

It is an arithmetic number, because the mean of its divisors is an integer number (2954220).

Almost surely, 2^12604664 is an apocalyptic number.

It is an amenable number.

12604664 is a deficient number, since it is larger than the sum of its proper divisors (11029096).

12604664 is a wasteful number, since it uses less digits than its factorization.

12604664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1575589 (or 1575585 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 12604664 is about 3550.3047756495. The cubic root of 12604664 is about 232.7253851720.

The spelling of 12604664 in words is "twelve million, six hundred four thousand, six hundred sixty-four".