13357228 has 12 divisors (see below), whose sum is σ = 24605560. Its totient is φ = 6327072.

The previous prime is 13357213. The next prime is 13357229. The reversal of 13357228 is 82275331.

13357228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×13357228³ (a number of 22 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13357228.

It is not an unprimeable number, because it can be changed into a prime (13357229) 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, 87801 + ... + 87952.

Almost surely, 2^13357228 is an apocalyptic number.

It is an amenable number.

13357228 is a deficient number, since it is larger than the sum of its proper divisors (11248332).

13357228 is a wasteful number, since it uses less digits than its factorization.

13357228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175776 (or 175774 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 13357228 is about 3654.7541640991. The cubic root of 13357228 is about 237.2677870655.

The spelling of 13357228 in words is "thirteen million, three hundred fifty-seven thousand, two hundred twenty-eight".