13431532 has 12 divisors (see below), whose sum is σ = 23531536. Its totient is φ = 6708240.

The previous prime is 13431521. The next prime is 13431533. The reversal of 13431532 is 23513431.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (13431533) 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, 4657 + ... + 6967.

Almost surely, 2^13431532 is an apocalyptic number.

It is an amenable number.

13431532 is a deficient number, since it is larger than the sum of its proper divisors (10100004).

13431532 is a wasteful number, since it uses less digits than its factorization.

13431532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3768 (or 3766 counting only the distinct ones).

The product of its digits is 1080, while the sum is 22.

The square root of 13431532 is about 3664.9054558065. The cubic root of 13431532 is about 237.7069339580.

Adding to 13431532 its reverse (23513431), we get a palindrome (36944963).

The spelling of 13431532 in words is "thirteen million, four hundred thirty-one thousand, five hundred thirty-two".