13685115 has 16 divisors (see below), whose sum is σ = 22848768. Its totient is φ = 6981216.

The previous prime is 13685101. The next prime is 13685141. The reversal of 13685115 is 51158631.

13685115 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13685115 - 2⁵ = 13685083 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 19489 + ... + 20178.

It is an arithmetic number, because the mean of its divisors is an integer number (1428048).

Almost surely, 2^13685115 is an apocalyptic number.

13685115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13685115 is a deficient number, since it is larger than the sum of its proper divisors (9163653).

13685115 is a wasteful number, since it uses less digits than its factorization.

13685115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39698.

The product of its digits is 3600, while the sum is 30.

The square root of 13685115 is about 3699.3398059654. The cubic root of 13685115 is about 239.1935606276.

The spelling of 13685115 in words is "thirteen million, six hundred eighty-five thousand, one hundred fifteen".