13012685 has 12 divisors (see below), whose sum is σ = 18164988. Its totient is φ = 8922816.

The previous prime is 13012679. The next prime is 13012691. The reversal of 13012685 is 58621031.

It is an interprime number because it is at equal distance from previous prime (13012679) and next prime (13012691).

It can be written as a sum of positive squares in 2 ways, for example, as 5597956 + 7414729 = 2366^2 + 2723^2 .

It is not a de Polignac number, because 13012685 - 2⁴ = 13012669 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26312 + ... + 26801.

It is an arithmetic number, because the mean of its divisors is an integer number (1513749).

Almost surely, 2^13012685 is an apocalyptic number.

It is an amenable number.

13012685 is a deficient number, since it is larger than the sum of its proper divisors (5152303).

13012685 is an equidigital number, since it uses as much as digits as its factorization.

13012685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53132 (or 53125 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 13012685 is about 3607.3099395533. The cubic root of 13012685 is about 235.2099225784.

The spelling of 13012685 in words is "thirteen million, twelve thousand, six hundred eighty-five".