13613115 has 16 divisors (see below), whose sum is σ = 21853728. Its totient is φ = 7236096.

The previous prime is 13613099. The next prime is 13613137. The reversal of 13613115 is 51131631.

It is not a de Polignac number, because 13613115 - 2⁴ = 13613099 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13613091 and 13613100.

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, 3709 + ... + 6401.

It is an arithmetic number, because the mean of its divisors is an integer number (1365858).

Almost surely, 2^13613115 is an apocalyptic number.

13613115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13613115 is a deficient number, since it is larger than the sum of its proper divisors (8240613).

13613115 is a wasteful number, since it uses less digits than its factorization.

13613115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3038.

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

The square root of 13613115 is about 3689.5955062852. The cubic root of 13613115 is about 238.7733418331.

Adding to 13613115 its reverse (51131631), we get a palindrome (64744746).

The spelling of 13613115 in words is "thirteen million, six hundred thirteen thousand, one hundred fifteen".