13276228 has 12 divisors (see below), whose sum is σ = 26552512. Its totient is φ = 5689800.

The previous prime is 13276217. The next prime is 13276261. The reversal of 13276228 is 82267231.

13276228 is an admirable number.

It is a super-3 number, since 3×13276228³ (a number of 22 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 13276228.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237048 + ... + 237103.

Almost surely, 2^13276228 is an apocalyptic number.

It is an amenable number.

13276228 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13276228 is a wasteful number, since it uses less digits than its factorization.

13276228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474162 (or 474160 counting only the distinct ones).

The product of its digits is 8064, while the sum is 31.

The square root of 13276228 is about 3643.6558564167. The cubic root of 13276228 is about 236.7872065541.

The spelling of 13276228 in words is "thirteen million, two hundred seventy-six thousand, two hundred twenty-eight".