13685716 has 24 divisors (see below), whose sum is σ = 26560800. Its totient is φ = 6117600.

The previous prime is 13685689. The next prime is 13685717. The reversal of 13685716 is 61758631.

13685716 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13685717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135 + ... + 5233.

It is an arithmetic number, because the mean of its divisors is an integer number (1106700).

Almost surely, 2^13685716 is an apocalyptic number.

It is an amenable number.

13685716 is a deficient number, since it is larger than the sum of its proper divisors (12875084).

13685716 is a wasteful number, since it uses less digits than its factorization.

13685716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5175 (or 5173 counting only the distinct ones).

The product of its digits is 30240, while the sum is 37.

The square root of 13685716 is about 3699.4210357838. The cubic root of 13685716 is about 239.1970620773.

The spelling of 13685716 in words is "thirteen million, six hundred eighty-five thousand, seven hundred sixteen".