13930656 has 72 divisors (see below), whose sum is σ = 38035872. Its totient is φ = 4464000.

The previous prime is 13930649. The next prime is 13930669. The reversal of 13930656 is 65603931.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92181 + ... + 92331.

It is an arithmetic number, because the mean of its divisors is an integer number (528276).

Almost surely, 2^13930656 is an apocalyptic number.

13930656 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 13930656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19017936).

13930656 is an abundant number, since it is smaller than the sum of its proper divisors (24105216).

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

13930656 is a wasteful number, since it uses less digits than its factorization.

13930656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226 (or 187 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 33.

The square root of 13930656 is about 3732.3794019365. The cubic root of 13930656 is about 240.6156416442.

The spelling of 13930656 in words is "thirteen million, nine hundred thirty thousand, six hundred fifty-six".