12635264 has 16 divisors (see below), whose sum is σ = 25172070. Its totient is φ = 6317568.

The previous prime is 12635251. The next prime is 12635281. The reversal of 12635264 is 46253621.

It can be written as a sum of positive squares in only one way, i.e., 7795264 + 4840000 = 2792^2 + 2200^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49229 + ... + 49484.

Almost surely, 2^12635264 is an apocalyptic number.

It is an amenable number.

12635264 is a deficient number, since it is larger than the sum of its proper divisors (12536806).

12635264 is an frugal number, since it uses more digits than its factorization.

12635264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98727 (or 98715 counting only the distinct ones).

The product of its digits is 8640, while the sum is 29.

The square root of 12635264 is about 3554.6116524875. The cubic root of 12635264 is about 232.9135600079.

Adding to 12635264 its reverse (46253621), we get a palindrome (58888885).

The spelling of 12635264 in words is "twelve million, six hundred thirty-five thousand, two hundred sixty-four".