13930944 has 84 divisors (see below), whose sum is σ = 38596824. Its totient is φ = 4432896.

The previous prime is 13930927. The next prime is 13930957. The reversal of 13930944 is 44903931.

It is a super-2 number, since 2×13930944² = 388142401462272, which contains 22 as substring.

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, 262822 + ... + 262874.

It is an arithmetic number, because the mean of its divisors is an integer number (459486).

Almost surely, 2^13930944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13930944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19298412).

13930944 is an abundant number, since it is smaller than the sum of its proper divisors (24665880).

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

13930944 is an equidigital number, since it uses as much as digits as its factorization.

13930944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 95 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 13930944 is about 3732.4179830239. The cubic root of 13930944 is about 240.6172997817.

The spelling of 13930944 in words is "thirteen million, nine hundred thirty thousand, nine hundred forty-four".