13356228 has 12 divisors (see below), whose sum is σ = 31164560. Its totient is φ = 4452072.

The previous prime is 13356197. The next prime is 13356229. The reversal of 13356228 is 82265331.

13356228 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 (12).

It is a junction number, because it is equal to n+sod(n) for n = 13356195 and 13356204.

It is not an unprimeable number, because it can be changed into a prime (13356229) 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, 556498 + ... + 556521.

Almost surely, 2^13356228 is an apocalyptic number.

It is an amenable number.

13356228 is an abundant number, since it is smaller than the sum of its proper divisors (17808332).

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

13356228 is a wasteful number, since it uses less digits than its factorization.

13356228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113026 (or 1113024 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 13356228 is about 3654.6173534311. The cubic root of 13356228 is about 237.2618658342.

The spelling of 13356228 in words is "thirteen million, three hundred fifty-six thousand, two hundred twenty-eight".