13785568 has 12 divisors (see below), whose sum is σ = 27140400. Its totient is φ = 6892768.

The previous prime is 13785547. The next prime is 13785587. The reversal of 13785568 is 86558731.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215368 + ... + 215431.

It is an arithmetic number, because the mean of its divisors is an integer number (2261700).

Almost surely, 2^13785568 is an apocalyptic number.

It is an amenable number.

13785568 is a deficient number, since it is larger than the sum of its proper divisors (13354832).

13785568 is an equidigital number, since it uses as much as digits as its factorization.

13785568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430809 (or 430801 counting only the distinct ones).

The product of its digits is 201600, while the sum is 43.

The square root of 13785568 is about 3712.8921341725. The cubic root of 13785568 is about 239.7773861693. Note that the first 3 decimals are identical.

The spelling of 13785568 in words is "thirteen million, seven hundred eighty-five thousand, five hundred sixty-eight".