13904585 has 16 divisors (see below), whose sum is σ = 17402880. Its totient is φ = 10653120.

The previous prime is 13904573. The next prime is 13904591. The reversal of 13904585 is 58540931.

It is not a de Polignac number, because 13904585 - 2²⁰ = 12856009 is a prime.

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, 16484 + ... + 17306.

It is an arithmetic number, because the mean of its divisors is an integer number (1087680).

Almost surely, 2^13904585 is an apocalyptic number.

It is an amenable number.

13904585 is a deficient number, since it is larger than the sum of its proper divisors (3498295).

13904585 is a wasteful number, since it uses less digits than its factorization.

13904585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 13904585 is about 3728.8852221542. The cubic root of 13904585 is about 240.4654451329.

The spelling of 13904585 in words is "thirteen million, nine hundred four thousand, five hundred eighty-five".