12636532 has 6 divisors (see below), whose sum is σ = 22113938. Its totient is φ = 6318264.

The previous prime is 12636529. The next prime is 12636551. The reversal of 12636532 is 23563621.

It can be written as a sum of positive squares in only one way, i.e., 10797796 + 1838736 = 3286^2 + 1356^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12636532.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1579563 + ... + 1579570.

Almost surely, 2^12636532 is an apocalyptic number.

It is an amenable number.

12636532 is a deficient number, since it is larger than the sum of its proper divisors (9477406).

12636532 is a wasteful number, since it uses less digits than its factorization.

12636532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3159137 (or 3159135 counting only the distinct ones).

The product of its digits is 6480, while the sum is 28.

The square root of 12636532 is about 3554.7900078626. The cubic root of 12636532 is about 232.9213510208.

The spelling of 12636532 in words is "twelve million, six hundred thirty-six thousand, five hundred thirty-two".