13433928 has 16 divisors (see below), whose sum is σ = 33584880. Its totient is φ = 4477968.

The previous prime is 13433921. The next prime is 13433929. The reversal of 13433928 is 82933431.

It is a happy number.

13433928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13433921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 279850 + ... + 279897.

It is an arithmetic number, because the mean of its divisors is an integer number (2099055).

Almost surely, 2^13433928 is an apocalyptic number.

It is an amenable number.

13433928 is an abundant number, since it is smaller than the sum of its proper divisors (20150952).

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

13433928 is a wasteful number, since it uses less digits than its factorization.

13433928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559756 (or 559752 counting only the distinct ones).

The product of its digits is 15552, while the sum is 33.

The square root of 13433928 is about 3665.2323255150. The cubic root of 13433928 is about 237.7210676634.

The spelling of 13433928 in words is "thirteen million, four hundred thirty-three thousand, nine hundred twenty-eight".