13161315 has 16 divisors (see below), whose sum is σ = 22297248. Its totient is φ = 6606336.

The previous prime is 13161301. The next prime is 13161347. The reversal of 13161315 is 51316131.

13161315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13161315 - 2⁵ = 13161283 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13161291 and 13161300.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25552 + ... + 26061.

It is an arithmetic number, because the mean of its divisors is an integer number (1393578).

Almost surely, 2^13161315 is an apocalyptic number.

13161315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13161315 is a deficient number, since it is larger than the sum of its proper divisors (9135933).

13161315 is a wasteful number, since it uses less digits than its factorization.

13161315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51638.

The product of its digits is 270, while the sum is 21.

The square root of 13161315 is about 3627.8526706579. The cubic root of 13161315 is about 236.1020517657.

Adding to 13161315 its reverse (51316131), we get a palindrome (64477446).

The spelling of 13161315 in words is "thirteen million, one hundred sixty-one thousand, three hundred fifteen".