13711685 has 16 divisors (see below), whose sum is σ = 17827824. Its totient is φ = 10063872.

The previous prime is 13711681. The next prime is 13711717. The reversal of 13711685 is 58611731.

It can be written as a sum of positive squares in 8 ways, for example, as 66049 + 13645636 = 257^2 + 3694^2 .

It is not a de Polignac number, because 13711685 - 2² = 13711681 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13711681) by changing a digit.

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, 11999 + ... + 13091.

It is an arithmetic number, because the mean of its divisors is an integer number (1114239).

Almost surely, 2^13711685 is an apocalyptic number.

It is an amenable number.

13711685 is a deficient number, since it is larger than the sum of its proper divisors (4116139).

13711685 is a wasteful number, since it uses less digits than its factorization.

13711685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304.

The product of its digits is 5040, while the sum is 32.

The square root of 13711685 is about 3702.9292458809. The cubic root of 13711685 is about 239.3482606867.

The spelling of 13711685 in words is "thirteen million, seven hundred eleven thousand, six hundred eighty-five".