13656328 has 16 divisors (see below), whose sum is σ = 29263680. Its totient is φ = 5852688.

The previous prime is 13656277. The next prime is 13656341. The reversal of 13656328 is 82365631.

It is a junction number, because it is equal to n+sod(n) for n = 13656293 and 13656302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121876 + ... + 121987.

It is an arithmetic number, because the mean of its divisors is an integer number (1828980).

Almost surely, 2^13656328 is an apocalyptic number.

It is an amenable number.

13656328 is an abundant number, since it is smaller than the sum of its proper divisors (15607352).

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

13656328 is a wasteful number, since it uses less digits than its factorization.

13656328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243876 (or 243872 counting only the distinct ones).

The product of its digits is 25920, while the sum is 34.

The square root of 13656328 is about 3695.4469283160. The cubic root of 13656328 is about 239.0257262387.

The spelling of 13656328 in words is "thirteen million, six hundred fifty-six thousand, three hundred twenty-eight".