12317532 has 36 divisors (see below), whose sum is σ = 29286600. Its totient is φ = 4029152.

The previous prime is 12317531. The next prime is 12317563. The reversal of 12317532 is 23571321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12317531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82594 + ... + 82742.

Almost surely, 2^12317532 is an apocalyptic number.

12317532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12317532 is an abundant number, since it is smaller than the sum of its proper divisors (16969068).

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

12317532 is a wasteful number, since it uses less digits than its factorization.

12317532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322 (or 237 counting only the distinct ones).

The product of its digits is 1260, while the sum is 24.

The square root of 12317532 is about 3509.6341689698. The cubic root of 12317532 is about 230.9446466947.

Adding to 12317532 its reverse (23571321), we get a palindrome (35888853).

The spelling of 12317532 in words is "twelve million, three hundred seventeen thousand, five hundred thirty-two".