13685774 has 8 divisors (see below), whose sum is σ = 20690688. Its totient is φ = 6788880.

The previous prime is 13685773. The next prime is 13685783. The reversal of 13685774 is 47758631.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13685773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26687 + ... + 27194.

It is an arithmetic number, because the mean of its divisors is an integer number (2586336).

Almost surely, 2^13685774 is an apocalyptic number.

13685774 is a deficient number, since it is larger than the sum of its proper divisors (7004914).

13685774 is a wasteful number, since it uses less digits than its factorization.

13685774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54010.

The product of its digits is 141120, while the sum is 41.

The square root of 13685774 is about 3699.4288748400. The cubic root of 13685774 is about 239.1973999822.

The spelling of 13685774 in words is "thirteen million, six hundred eighty-five thousand, seven hundred seventy-four".