13424928 has 48 divisors (see below), whose sum is σ = 38447136. Its totient is φ = 4067840.

The previous prime is 13424923. The next prime is 13424947. The reversal of 13424928 is 82942431.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (13424921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5301 + ... + 7412.

It is an arithmetic number, because the mean of its divisors is an integer number (800982).

Almost surely, 2^13424928 is an apocalyptic number.

It is an amenable number.

13424928 is an abundant number, since it is smaller than the sum of its proper divisors (25022208).

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

13424928 is a wasteful number, since it uses less digits than its factorization.

13424928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12737 (or 12729 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 13424928 is about 3664.0043668096. The cubic root of 13424928 is about 237.6679690818.

The spelling of 13424928 in words is "thirteen million, four hundred twenty-four thousand, nine hundred twenty-eight".