12636752 has 30 divisors (see below), whose sum is σ = 25611642. Its totient is φ = 6039616.

The previous prime is 12636739. The next prime is 12636769. The reversal of 12636752 is 25763621.

It can be written as a sum of positive squares in only one way, i.e., 12222016 + 414736 = 3496^2 + 644^2 .

It is a super-2 number, since 2×12636752² = 319375002219008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7718 + ... + 9210.

Almost surely, 2^12636752 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12636752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12805821).

12636752 is an abundant number, since it is smaller than the sum of its proper divisors (12974890).

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

12636752 is a wasteful number, since it uses less digits than its factorization.

12636752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1547 (or 1518 counting only the distinct ones).

The product of its digits is 15120, while the sum is 32.

The square root of 12636752 is about 3554.8209518905. The cubic root of 12636752 is about 232.9227027208.

The spelling of 12636752 in words is "twelve million, six hundred thirty-six thousand, seven hundred fifty-two".