13685895 has 16 divisors (see below), whose sum is σ = 24330720. Its totient is φ = 7299072.

The previous prime is 13685887. The next prime is 13685927. The reversal of 13685895 is 59858631.

13685895 is a `hidden beast` number, since 1 + 3 + 68 + 589 + 5 = 666.

It is not a de Polignac number, because 13685895 - 2³ = 13685887 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 13685895.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50554 + ... + 50823.

It is an arithmetic number, because the mean of its divisors is an integer number (1520670).

Almost surely, 2^13685895 is an apocalyptic number.

13685895 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13685895 is a deficient number, since it is larger than the sum of its proper divisors (10644825).

13685895 is a wasteful number, since it uses less digits than its factorization.

13685895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101391 (or 101385 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The square root of 13685895 is about 3699.4452286796. The cubic root of 13685895 is about 239.1981049186.

The spelling of 13685895 in words is "thirteen million, six hundred eighty-five thousand, eight hundred ninety-five".