12515264 has 28 divisors (see below), whose sum is σ = 26298144. Its totient is φ = 5889024.

The previous prime is 12515203. The next prime is 12515311. The reversal of 12515264 is 46251521.

12515264 = 247² + 248² + ... + 374².

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, 4664 + ... + 6839.

Almost surely, 2^12515264 is an apocalyptic number.

It is an amenable number.

12515264 is an abundant number, since it is smaller than the sum of its proper divisors (13782880).

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

12515264 is a wasteful number, since it uses less digits than its factorization.

12515264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11532 (or 11522 counting only the distinct ones).

The product of its digits is 2400, while the sum is 26.

The square root of 12515264 is about 3537.6919029220. The cubic root of 12515264 is about 232.1738688714.

Adding to 12515264 its reverse (46251521), we get a palindrome (58766785).

The spelling of 12515264 in words is "twelve million, five hundred fifteen thousand, two hundred sixty-four".