13934520 has 48 divisors (see below), whose sum is σ = 45288360. Its totient is φ = 3715776.

The previous prime is 13934519. The next prime is 13934539. The reversal of 13934520 is 2543931.

13934520 is a `hidden beast` number, since 139 + 3 + 4 + 520 = 666.

It is a congruent number.

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, 18994 + ... + 19713.

Almost surely, 2^13934520 is an apocalyptic number.

13934520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13934520 is an abundant number, since it is smaller than the sum of its proper divisors (31353840).

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

13934520 is a wasteful number, since it uses less digits than its factorization.

13934520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38724 (or 38717 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 13934520 is about 3732.8969983111. The cubic root of 13934520 is about 240.6378864184.

The spelling of 13934520 in words is "thirteen million, nine hundred thirty-four thousand, five hundred twenty".