13937856 has 56 divisors (see below), whose sum is σ = 37155120. Its totient is φ = 4611072.

The previous prime is 13937851. The next prime is 13937921. The reversal of 13937856 is 65873931.

It is not an unprimeable number, because it can be changed into a prime (13937851) 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, 43810 + ... + 44126.

Almost surely, 2^13937856 is an apocalyptic number.

13937856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13937856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18577560).

13937856 is an abundant number, since it is smaller than the sum of its proper divisors (23217264).

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

13937856 is a wasteful number, since it uses less digits than its factorization.

13937856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561 (or 551 counting only the distinct ones).

The product of its digits is 136080, while the sum is 42.

The square root of 13937856 is about 3733.3438095091. The cubic root of 13937856 is about 240.6570882265.

The spelling of 13937856 in words is "thirteen million, nine hundred thirty-seven thousand, eight hundred fifty-six".