13730864 has 20 divisors (see below), whose sum is σ = 30404304. Its totient is φ = 5884608.

The previous prime is 13730851. The next prime is 13730867. The reversal of 13730864 is 46803731.

It is a self number, because there is not a number n which added to its sum of digits gives 13730864.

It is not an unprimeable number, because it can be changed into a prime (13730867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61187 + ... + 61410.

Almost surely, 2^13730864 is an apocalyptic number.

13730864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13730864 is an abundant number, since it is smaller than the sum of its proper divisors (16673440).

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

13730864 is a wasteful number, since it uses less digits than its factorization.

13730864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122612 (or 122606 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 13730864 is about 3705.5180474530. The cubic root of 13730864 is about 239.4598035466.

The spelling of 13730864 in words is "thirteen million, seven hundred thirty thousand, eight hundred sixty-four".