18339713 has 8 divisors (see below), whose sum is σ = 20987328. Its totient is φ = 15699024.

The previous prime is 18339707. The next prime is 18339791. The reversal of 18339713 is 31793381.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18339713 - 2⁴ = 18339697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18339793) by changing a digit.

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, 6695 + ... + 9027.

It is an arithmetic number, because the mean of its divisors is an integer number (2623416).

Almost surely, 2^18339713 is an apocalyptic number.

It is an amenable number.

18339713 is a deficient number, since it is larger than the sum of its proper divisors (2647615).

18339713 is a wasteful number, since it uses less digits than its factorization.

18339713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3463.

The product of its digits is 13608, while the sum is 35.

The square root of 18339713 is about 4282.4891126540. The cubic root of 18339713 is about 263.7125784153.

The spelling of 18339713 in words is "eighteen million, three hundred thirty-nine thousand, seven hundred thirteen".