12527664 has 40 divisors (see below), whose sum is σ = 32497920. Its totient is φ = 4158528.

The previous prime is 12527659. The next prime is 12527677. The reversal of 12527664 is 46672521.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16869 + ... + 17595.

It is an arithmetic number, because the mean of its divisors is an integer number (812448).

Almost surely, 2^12527664 is an apocalyptic number.

It is an amenable number.

12527664 is an abundant number, since it is smaller than the sum of its proper divisors (19970256).

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

12527664 is a wasteful number, since it uses less digits than its factorization.

12527664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097 (or 1091 counting only the distinct ones).

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

The square root of 12527664 is about 3539.4440241371. Note that the first 3 decimals coincide. The cubic root of 12527664 is about 232.2505220868.

The spelling of 12527664 in words is "twelve million, five hundred twenty-seven thousand, six hundred sixty-four".