13231132 has 24 divisors (see below), whose sum is σ = 23814000. Its totient is φ = 6429696.

The previous prime is 13231123. The next prime is 13231147. The reversal of 13231132 is 23113231.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29244 + ... + 29692.

It is an arithmetic number, because the mean of its divisors is an integer number (992250).

Almost surely, 2^13231132 is an apocalyptic number.

It is an amenable number.

13231132 is a deficient number, since it is larger than the sum of its proper divisors (10582868).

13231132 is a wasteful number, since it uses less digits than its factorization.

13231132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645 (or 643 counting only the distinct ones).

The product of its digits is 108, while the sum is 16.

The square root of 13231132 is about 3637.4623022102. The cubic root of 13231132 is about 236.5188002701.

Adding to 13231132 its reverse (23113231), we get a palindrome (36344363).

The spelling of 13231132 in words is "thirteen million, two hundred thirty-one thousand, one hundred thirty-two".