13315315 has 16 divisors (see below), whose sum is σ = 17353728. Its totient is φ = 9749376.

The previous prime is 13315277. The next prime is 13315319. The reversal of 13315315 is 51351331.

It is not a de Polignac number, because 13315315 - 2⁹ = 13314803 is a prime.

It is a super-2 number, since 2×13315315² = 354595227098450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13315319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7449 + ... + 9061.

It is an arithmetic number, because the mean of its divisors is an integer number (1084608).

Almost surely, 2^13315315 is an apocalyptic number.

13315315 is a deficient number, since it is larger than the sum of its proper divisors (4038413).

13315315 is a wasteful number, since it uses less digits than its factorization.

13315315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1758.

The product of its digits is 675, while the sum is 22.

The square root of 13315315 is about 3649.0156206846. The cubic root of 13315315 is about 237.0193566653.

Adding to 13315315 its reverse (51351331), we get a palindrome (64666646).

The spelling of 13315315 in words is "thirteen million, three hundred fifteen thousand, three hundred fifteen".