14931728 has 20 divisors (see below), whose sum is σ = 33063360. Its totient is φ = 6399264.

The previous prime is 14931703. The next prime is 14931731. The reversal of 14931728 is 82713941.

14931728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66548 + ... + 66771.

It is an arithmetic number, because the mean of its divisors is an integer number (1653168).

Almost surely, 2^14931728 is an apocalyptic number.

It is an amenable number.

14931728 is an abundant number, since it is smaller than the sum of its proper divisors (18131632).

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

14931728 is a wasteful number, since it uses less digits than its factorization.

14931728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133334 (or 133328 counting only the distinct ones).

The product of its digits is 12096, while the sum is 35.

The square root of 14931728 is about 3864.1594170013. The cubic root of 14931728 is about 246.2464755952.

The spelling of 14931728 in words is "fourteen million, nine hundred thirty-one thousand, seven hundred twenty-eight".