13656828 has 48 divisors (see below), whose sum is σ = 32931360. Its totient is φ = 4402944.

The previous prime is 13656827. The next prime is 13656847. The reversal of 13656828 is 82865631.

It is a happy number.

13656828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13656821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69226 + ... + 69422.

It is an arithmetic number, because the mean of its divisors is an integer number (686070).

Almost surely, 2^13656828 is an apocalyptic number.

It is an amenable number.

13656828 is an abundant number, since it is smaller than the sum of its proper divisors (19274532).

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

13656828 is a wasteful number, since it uses less digits than its factorization.

13656828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366 (or 364 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 13656828 is about 3695.5145785127. The cubic root of 13656828 is about 239.0286433578.

The spelling of 13656828 in words is "thirteen million, six hundred fifty-six thousand, eight hundred twenty-eight".