13045228 has 12 divisors (see below), whose sum is σ = 26090512. Its totient is φ = 5590800.

The previous prime is 13045217. The next prime is 13045237. The reversal of 13045228 is 82254031.

13045228 is an admirable number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 232923 + ... + 232978.

Almost surely, 2^13045228 is an apocalyptic number.

It is an amenable number.

13045228 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.

13045228 is a wasteful number, since it uses less digits than its factorization.

13045228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465912 (or 465910 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 13045228 is about 3611.8178248633. The cubic root of 13045228 is about 235.4058356291.

Adding to 13045228 its reverse (82254031), we get a palindrome (95299259).

The spelling of 13045228 in words is "thirteen million, forty-five thousand, two hundred twenty-eight".