13107985 has 16 divisors (see below), whose sum is σ = 17445312. Its totient is φ = 9374400.

The previous prime is 13107959. The next prime is 13108001. The reversal of 13107985 is 58970131.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-13107985 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13107985.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1402 + ... + 5308.

It is an arithmetic number, because the mean of its divisors is an integer number (1090332).

Almost surely, 2^13107985 is an apocalyptic number.

It is an amenable number.

13107985 is a deficient number, since it is larger than the sum of its proper divisors (4337327).

13107985 is a wasteful number, since it uses less digits than its factorization.

13107985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3984.

The product of its (nonzero) digits is 7560, while the sum is 34.

The square root of 13107985 is about 3620.4951318846. The cubic root of 13107985 is about 235.7827227929.

The spelling of 13107985 in words is "thirteen million, one hundred seven thousand, nine hundred eighty-five".