13331315 has 24 divisors (see below), whose sum is σ = 17550432. Its totient is φ = 9685760.

The previous prime is 13331309. The next prime is 13331411. The reversal of 13331315 is 51313331.

It is not a de Polignac number, because 13331315 - 2⁴ = 13331299 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 187730 + ... + 187800.

It is an arithmetic number, because the mean of its divisors is an integer number (731268).

Almost surely, 2^13331315 is an apocalyptic number.

13331315 is a deficient number, since it is larger than the sum of its proper divisors (4219117).

13331315 is an equidigital number, since it uses as much as digits as its factorization.

13331315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187 (or 140 counting only the distinct ones).

The product of its digits is 405, while the sum is 20.

The square root of 13331315 is about 3651.2073345676. The cubic root of 13331315 is about 237.1142547017.

Adding to 13331315 its reverse (51313331), we get a palindrome (64644646).

The spelling of 13331315 in words is "thirteen million, three hundred thirty-one thousand, three hundred fifteen".