13569028 has 24 divisors (see below), whose sum is σ = 26105184. Its totient is φ = 6120000.

The previous prime is 13569019. The next prime is 13569053. The reversal of 13569028 is 82096531.

It is a junction number, because it is equal to n+sod(n) for n = 13568984 and 13569002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4903 + ... + 7153.

It is an arithmetic number, because the mean of its divisors is an integer number (1087716).

Almost surely, 2^13569028 is an apocalyptic number.

It is an amenable number.

13569028 is a deficient number, since it is larger than the sum of its proper divisors (12536156).

13569028 is a wasteful number, since it uses less digits than its factorization.

13569028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2403 (or 2401 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 13569028 is about 3683.6161580708. The cubic root of 13569028 is about 238.5153018295.

The spelling of 13569028 in words is "thirteen million, five hundred sixty-nine thousand, twenty-eight".