13784568 has 32 divisors (see below), whose sum is σ = 39384960. Its totient is φ = 3938400.

The previous prime is 13784549. The next prime is 13784591. The reversal of 13784568 is 86548731.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 40858 + ... + 41193.

It is an arithmetic number, because the mean of its divisors is an integer number (1230780).

Almost surely, 2^13784568 is an apocalyptic number.

It is an amenable number.

13784568 is an abundant number, since it is smaller than the sum of its proper divisors (25600392).

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

13784568 is a wasteful number, since it uses less digits than its factorization.

13784568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82067 (or 82063 counting only the distinct ones).

The product of its digits is 161280, while the sum is 42.

The square root of 13784568 is about 3712.7574658197. The cubic root of 13784568 is about 239.7715882415.

The spelling of 13784568 in words is "thirteen million, seven hundred eighty-four thousand, five hundred sixty-eight".