13304228 has 12 divisors (see below), whose sum is σ = 26608512. Its totient is φ = 5701800.

The previous prime is 13304197. The next prime is 13304231. The reversal of 13304228 is 82240331.

13304228 is an admirable number.

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, 237548 + ... + 237603.

It is an arithmetic number, because the mean of its divisors is an integer number (2217376).

Almost surely, 2^13304228 is an apocalyptic number.

It is an amenable number.

13304228 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.

13304228 is a wasteful number, since it uses less digits than its factorization.

13304228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475162 (or 475160 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 13304228 is about 3647.4961274825. The cubic root of 13304228 is about 236.9535536582.

Adding to 13304228 its reverse (82240331), we get a palindrome (95544559).

The spelling of 13304228 in words is "thirteen million, three hundred four thousand, two hundred twenty-eight".