13077928 has 32 divisors (see below), whose sum is σ = 26107200. Its totient is φ = 6124032.

The previous prime is 13077923. The next prime is 13077941. The reversal of 13077928 is 82977031.

13077928 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 (13077923) 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, 14301 + ... + 15187.

It is an arithmetic number, because the mean of its divisors is an integer number (815850).

Almost surely, 2^13077928 is an apocalyptic number.

It is an amenable number.

13077928 is a deficient number, since it is larger than the sum of its proper divisors (13029272).

13077928 is a wasteful number, since it uses less digits than its factorization.

13077928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009 (or 1005 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 13077928 is about 3616.3417980053. The cubic root of 13077928 is about 235.6023659328.

The spelling of 13077928 in words is "thirteen million, seventy-seven thousand, nine hundred twenty-eight".