13730844 has 24 divisors (see below), whose sum is σ = 33725440. Its totient is φ = 4335984.

The previous prime is 13730819. The next prime is 13730851. The reversal of 13730844 is 44803731.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29884 + ... + 30339.

Almost surely, 2^13730844 is an apocalyptic number.

It is an amenable number.

13730844 is an abundant number, since it is smaller than the sum of its proper divisors (19994596).

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

13730844 is a wasteful number, since it uses less digits than its factorization.

13730844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60249 (or 60247 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 13730844 is about 3705.5153487740. The cubic root of 13730844 is about 239.4596872830.

The spelling of 13730844 in words is "thirteen million, seven hundred thirty thousand, eight hundred forty-four".