13065685 has 8 divisors (see below), whose sum is σ = 15700536. Its totient is φ = 10438080.

The previous prime is 13065659. The next prime is 13065709. The reversal of 13065685 is 58656031.

It can be written as a sum of positive squares in 4 ways, for example, as 5414929 + 7650756 = 2327^2 + 2766^2 .

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

It is not a de Polignac number, because 13065685 - 2⁷ = 13065557 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 13065685.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3675 + ... + 6295.

It is an arithmetic number, because the mean of its divisors is an integer number (1962567).

Almost surely, 2^13065685 is an apocalyptic number.

It is an amenable number.

13065685 is a deficient number, since it is larger than the sum of its proper divisors (2634851).

13065685 is an equidigital number, since it uses as much as digits as its factorization.

13065685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3623.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 13065685 is about 3614.6486689580. The cubic root of 13065685 is about 235.5288226736.

The spelling of 13065685 in words is "thirteen million, sixty-five thousand, six hundred eighty-five".