13783568 has 20 divisors (see below), whose sum is σ = 27073788. Its totient is φ = 6796800.

The previous prime is 13783559. The next prime is 13783579. The reversal of 13783568 is 86538731.

It can be written as a sum of positive squares in 2 ways, for example, as 7573504 + 6210064 = 2752^2 + 2492^2 .

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, 4733 + ... + 7068.

Almost surely, 2^13783568 is an apocalyptic number.

It is an amenable number.

13783568 is a deficient number, since it is larger than the sum of its proper divisors (13290220).

13783568 is a wasteful number, since it uses less digits than its factorization.

13783568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11882 (or 11876 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 13783568 is about 3712.6227925821. The cubic root of 13783568 is about 239.7657900332.

The spelling of 13783568 in words is "thirteen million, seven hundred eighty-three thousand, five hundred sixty-eight".