14720928 has 24 divisors (see below), whose sum is σ = 38642688. Its totient is φ = 4906944.

The previous prime is 14720891. The next prime is 14720933. The reversal of 14720928 is 82902741.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76576 + ... + 76767.

It is an arithmetic number, because the mean of its divisors is an integer number (1610112).

Almost surely, 2^14720928 is an apocalyptic number.

It is an amenable number.

14720928 is an abundant number, since it is smaller than the sum of its proper divisors (23921760).

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

14720928 is a wasteful number, since it uses less digits than its factorization.

14720928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153356 (or 153348 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 14720928 is about 3836.7861551043. The cubic root of 14720928 is about 245.0821770703.

The spelling of 14720928 in words is "fourteen million, seven hundred twenty thousand, nine hundred twenty-eight".