13331312 has 20 divisors (see below), whose sum is σ = 27189480. Its totient is φ = 6314688.

The previous prime is 13331309. The next prime is 13331411. The reversal of 13331312 is 21313331.

It is a congruent number.

It is an unprimeable number.

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, 21623 + ... + 22230.

It is an arithmetic number, because the mean of its divisors is an integer number (1359474).

Almost surely, 2^13331312 is an apocalyptic number.

It is an amenable number.

13331312 is an abundant number, since it is smaller than the sum of its proper divisors (13858168).

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

13331312 is a wasteful number, since it uses less digits than its factorization.

13331312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43880 (or 43874 counting only the distinct ones).

The product of its digits is 162, while the sum is 17.

The square root of 13331312 is about 3651.2069237445. The cubic root of 13331312 is about 237.1142369154.

Adding to 13331312 its reverse (21313331), we get a palindrome (34644643).

The spelling of 13331312 in words is "thirteen million, three hundred thirty-one thousand, three hundred twelve".