18568713 has 16 divisors (see below), whose sum is σ = 25620480. Its totient is φ = 11955216.

The previous prime is 18568703. The next prime is 18568741. The reversal of 18568713 is 31786581.

It is not a de Polignac number, because 18568713 - 2⁸ = 18568457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18568703) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 10306 + ... + 11972.

It is an arithmetic number, because the mean of its divisors is an integer number (1601280).

Almost surely, 2^18568713 is an apocalyptic number.

It is an amenable number.

18568713 is a deficient number, since it is larger than the sum of its proper divisors (7051767).

18568713 is a wasteful number, since it uses less digits than its factorization.

18568713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1796.

The product of its digits is 40320, while the sum is 39.

The square root of 18568713 is about 4309.1429542312. The cubic root of 18568713 is about 264.8056626680.

The spelling of 18568713 in words is "eighteen million, five hundred sixty-eight thousand, seven hundred thirteen".