18713707 has 4 divisors (see below), whose sum is σ = 18740176. Its totient is φ = 18687240.

The previous prime is 18713701. The next prime is 18713711. The reversal of 18713707 is 70731781.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 18713707 - 2⁷ = 18713579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18713701) 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 3 ways as a sum of consecutive naturals, for example, 12144 + ... + 13597.

It is an arithmetic number, because the mean of its divisors is an integer number (4685044).

Almost surely, 2^18713707 is an apocalyptic number.

18713707 is a deficient number, since it is larger than the sum of its proper divisors (26469).

18713707 is an equidigital number, since it uses as much as digits as its factorization.

18713707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26468.

The product of its (nonzero) digits is 8232, while the sum is 34.

The square root of 18713707 is about 4325.9342343591. The cubic root of 18713707 is about 265.4931223932.

The spelling of 18713707 in words is "eighteen million, seven hundred thirteen thousand, seven hundred seven".