12612664 has 8 divisors (see below), whose sum is σ = 23648760. Its totient is φ = 6306328.

The previous prime is 12612571. The next prime is 12612679. The reversal of 12612664 is 46621621.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 788284 + ... + 788299.

It is an arithmetic number, because the mean of its divisors is an integer number (2956095).

Almost surely, 2^12612664 is an apocalyptic number.

It is an amenable number.

12612664 is a deficient number, since it is larger than the sum of its proper divisors (11036096).

12612664 is a wasteful number, since it uses less digits than its factorization.

12612664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1576589 (or 1576585 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 12612664 is about 3551.4312607736. The cubic root of 12612664 is about 232.7746105840.

The spelling of 12612664 in words is "twelve million, six hundred twelve thousand, six hundred sixty-four".