13970928 has 40 divisors (see below), whose sum is σ = 37993600. Its totient is φ = 4411584.

The previous prime is 13970917. The next prime is 13970933. The reversal of 13970928 is 82907931.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6748 + ... + 8571.

It is an arithmetic number, because the mean of its divisors is an integer number (949840).

Almost surely, 2^13970928 is an apocalyptic number.

It is an amenable number.

13970928 is an abundant number, since it is smaller than the sum of its proper divisors (24022672).

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

13970928 is a wasteful number, since it uses less digits than its factorization.

13970928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15349 (or 15343 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 13970928 is about 3737.7704584418. The cubic root of 13970928 is about 240.8472830554.

The spelling of 13970928 in words is "thirteen million, nine hundred seventy thousand, nine hundred twenty-eight".