18245713 has 8 divisors (see below), whose sum is σ = 18459200. Its totient is φ = 18033840.

The previous prime is 18245707. The next prime is 18245741. The reversal of 18245713 is 31754281.

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 18245713 - 2¹⁷ = 18114641 is a prime.

It is the 4272-nd Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18245753) by changing a digit.

It is a nontrivial repunit in base 4271.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54958 + ... + 55288.

It is an arithmetic number, because the mean of its divisors is an integer number (2307400).

Almost surely, 2^18245713 is an apocalyptic number.

It is an amenable number.

18245713 is a deficient number, since it is larger than the sum of its proper divisors (213487).

18245713 is a wasteful number, since it uses less digits than its factorization.

18245713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807.

The product of its digits is 6720, while the sum is 31.

The square root of 18245713 is about 4271.5000877912. The cubic root of 18245713 is about 263.2612544630.

Adding to 18245713 its reverse (31754281), we get a palindrome (49999994).

The spelling of 18245713 in words is "eighteen million, two hundred forty-five thousand, seven hundred thirteen".