13566056 has 32 divisors (see below), whose sum is σ = 29274240. Its totient is φ = 5773248.

The previous prime is 13566037. The next prime is 13566071. The reversal of 13566056 is 65066531.

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, 8021 + ... + 9563.

It is an arithmetic number, because the mean of its divisors is an integer number (914820).

Almost surely, 2^13566056 is an apocalyptic number.

It is an amenable number.

13566056 is an abundant number, since it is smaller than the sum of its proper divisors (15708184).

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

13566056 is a wasteful number, since it uses less digits than its factorization.

13566056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1713 (or 1709 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 13566056 is about 3683.2127280406. The cubic root of 13566056 is about 238.4978866975.

The spelling of 13566056 in words is "thirteen million, five hundred sixty-six thousand, fifty-six".