13395985 has 8 divisors (see below), whose sum is σ = 16143336. Its totient is φ = 10671360.

The previous prime is 13395973. The next prime is 13395989. The reversal of 13395985 is 58959331.

It can be written as a sum of positive squares in 4 ways, for example, as 693889 + 12702096 = 833^2 + 3564^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13395985 - 2⁷ = 13395857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13395989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4354 + ... + 6763.

It is an arithmetic number, because the mean of its divisors is an integer number (2017917).

Almost surely, 2^13395985 is an apocalyptic number.

It is an amenable number.

13395985 is a deficient number, since it is larger than the sum of its proper divisors (2747351).

13395985 is a wasteful number, since it uses less digits than its factorization.

13395985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11363.

The product of its digits is 145800, while the sum is 43.

The square root of 13395985 is about 3660.0525952505. The cubic root of 13395985 is about 237.4970489015.

The spelling of 13395985 in words is "thirteen million, three hundred ninety-five thousand, nine hundred eighty-five".