13855716 has 36 divisors (see below), whose sum is σ = 40028352. Its totient is φ = 3958704.

The previous prime is 13855703. The next prime is 13855717. The reversal of 13855716 is 61755831.

13855716 is a `hidden beast` number, since 1 + 3 + 85 + 571 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (13855717) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27240 + ... + 27743.

Almost surely, 2^13855716 is an apocalyptic number.

It is an amenable number.

13855716 is an abundant number, since it is smaller than the sum of its proper divisors (26172636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13855716 is a wasteful number, since it uses less digits than its factorization.

13855716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55000 (or 54995 counting only the distinct ones).

The product of its digits is 25200, while the sum is 36.

The square root of 13855716 is about 3722.3266917346. The cubic root of 13855716 is about 240.1834014805.

The spelling of 13855716 in words is "thirteen million, eight hundred fifty-five thousand, seven hundred sixteen".