13155928 has 8 divisors (see below), whose sum is σ = 24667380. Its totient is φ = 6577960.

The previous prime is 13155917. The next prime is 13155929. The reversal of 13155928 is 82955131.

13155928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 13155893 and 13155902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13155929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 822238 + ... + 822253.

Almost surely, 2^13155928 is an apocalyptic number.

It is an amenable number.

13155928 is a deficient number, since it is larger than the sum of its proper divisors (11511452).

13155928 is a wasteful number, since it uses less digits than its factorization.

13155928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1644497 (or 1644493 counting only the distinct ones).

The product of its digits is 10800, while the sum is 34.

The square root of 13155928 is about 3627.1101444538. The cubic root of 13155928 is about 236.0698347387.

The spelling of 13155928 in words is "thirteen million, one hundred fifty-five thousand, nine hundred twenty-eight".