13399228 has 6 divisors (see below), whose sum is σ = 23448656. Its totient is φ = 6699612.

The previous prime is 13399207. The next prime is 13399229. The reversal of 13399228 is 82299331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13399229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1674900 + ... + 1674907.

Almost surely, 2^13399228 is an apocalyptic number.

It is an amenable number.

13399228 is a deficient number, since it is larger than the sum of its proper divisors (10049428).

13399228 is a wasteful number, since it uses less digits than its factorization.

13399228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3349811 (or 3349809 counting only the distinct ones).

The product of its digits is 23328, while the sum is 37.

The square root of 13399228 is about 3660.4955948614. The cubic root of 13399228 is about 237.5162123743.

The spelling of 13399228 in words is "thirteen million, three hundred ninety-nine thousand, two hundred twenty-eight".