13423685 has 16 divisors (see below), whose sum is σ = 17744832. Its totient is φ = 9667200.

The previous prime is 13423679. The next prime is 13423691. The reversal of 13423685 is 58632431.

It is an interprime number because it is at equal distance from previous prime (13423679) and next prime (13423691).

It is not a de Polignac number, because 13423685 - 2¹² = 13419589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4745 + ... + 7025.

It is an arithmetic number, because the mean of its divisors is an integer number (1109052).

Almost surely, 2^13423685 is an apocalyptic number.

It is an amenable number.

13423685 is a deficient number, since it is larger than the sum of its proper divisors (4321147).

13423685 is a wasteful number, since it uses less digits than its factorization.

13423685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2404.

The product of its digits is 17280, while the sum is 32.

The square root of 13423685 is about 3663.8347397228. The cubic root of 13423685 is about 237.6606337128.

The spelling of 13423685 in words is "thirteen million, four hundred twenty-three thousand, six hundred eighty-five".