12636528 has 40 divisors (see below), whose sum is σ = 33445776. Its totient is φ = 4108800.

The previous prime is 12636527. The next prime is 12636529. The reversal of 12636528 is 82563621.

It is an interprime number because it is at equal distance from previous prime (12636527) and next prime (12636529).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12636521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1243 + ... + 5178.

Almost surely, 2^12636528 is an apocalyptic number.

It is an amenable number.

12636528 is an abundant number, since it is smaller than the sum of its proper divisors (20809248).

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

12636528 is a wasteful number, since it uses less digits than its factorization.

12636528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6473 (or 6467 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 12636528 is about 3554.7894452414. The cubic root of 12636528 is about 232.9213264443.

The spelling of 12636528 in words is "twelve million, six hundred thirty-six thousand, five hundred twenty-eight".