13718856 has 64 divisors (see below), whose sum is σ = 37065600. Its totient is φ = 4218368.

The previous prime is 13718851. The next prime is 13718867. The reversal of 13718856 is 65881731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13718851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15580 + ... + 16436.

It is an arithmetic number, because the mean of its divisors is an integer number (579150).

Almost surely, 2^13718856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13718856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18532800).

13718856 is an abundant number, since it is smaller than the sum of its proper divisors (23346744).

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

13718856 is a wasteful number, since it uses less digits than its factorization.

13718856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918 (or 914 counting only the distinct ones).

The product of its digits is 40320, while the sum is 39.

The square root of 13718856 is about 3703.8974067865. The cubic root of 13718856 is about 239.3899785658.

The spelling of 13718856 in words is "thirteen million, seven hundred eighteen thousand, eight hundred fifty-six".