13031332 has 12 divisors (see below), whose sum is σ = 23080176. Its totient is φ = 6437000.

The previous prime is 13031329. The next prime is 13031339. The reversal of 13031332 is 23313031.

It is a super-2 number, since 2×13031332² = 339631227388448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13031339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19294 + ... + 19957.

It is an arithmetic number, because the mean of its divisors is an integer number (1923348).

Almost surely, 2^13031332 is an apocalyptic number.

It is an amenable number.

13031332 is a deficient number, since it is larger than the sum of its proper divisors (10048844).

13031332 is a wasteful number, since it uses less digits than its factorization.

13031332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39338 (or 39336 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 13031332 is about 3609.8936272417. The cubic root of 13031332 is about 235.3222198249.

Adding to 13031332 its reverse (23313031), we get a palindrome (36344363).

The spelling of 13031332 in words is "thirteen million, thirty-one thousand, three hundred thirty-two".