13056685 has 8 divisors (see below), whose sum is σ = 15830136. Its totient is φ = 10337280.

The previous prime is 13056677. The next prime is 13056691. The reversal of 13056685 is 58665031.

13056685 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4888521 + 8168164 = 2211^2 + 2858^2 .

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

It is not a de Polignac number, because 13056685 - 2³ = 13056677 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 13056685.

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, 12976 + ... + 13945.

It is an arithmetic number, because the mean of its divisors is an integer number (1978767).

Almost surely, 2^13056685 is an apocalyptic number.

It is an amenable number.

13056685 is a deficient number, since it is larger than the sum of its proper divisors (2773451).

13056685 is an equidigital number, since it uses as much as digits as its factorization.

13056685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27023.

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

The square root of 13056685 is about 3613.4035202285. The cubic root of 13056685 is about 235.4747306938.

The spelling of 13056685 in words is "thirteen million, fifty-six thousand, six hundred eighty-five".