12552636 has 12 divisors (see below), whose sum is σ = 29289512. Its totient is φ = 4184208.

The previous prime is 12552629. The next prime is 12552637. The reversal of 12552636 is 63625521.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12552637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 523015 + ... + 523038.

Almost surely, 2^12552636 is an apocalyptic number.

It is an amenable number.

12552636 is an abundant number, since it is smaller than the sum of its proper divisors (16736876).

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

12552636 is a wasteful number, since it uses less digits than its factorization.

12552636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046060 (or 1046058 counting only the distinct ones).

The product of its digits is 10800, while the sum is 30.

The square root of 12552636 is about 3542.9699406007. The cubic root of 12552636 is about 232.4047384050.

The spelling of 12552636 in words is "twelve million, five hundred fifty-two thousand, six hundred thirty-six".