18470713 has 2 divisors, whose sum is σ = 18470714. Its totient is φ = 18470712.

The previous prime is 18470689. The next prime is 18470731. The reversal of 18470713 is 31707481.

Together with next prime (18470731) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17413929 + 1056784 = 4173^2 + 1028^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18470713 is a prime.

It is equal to p_1179436 and since 18470713 and 1179436 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (18470783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9235356 + 9235357.

It is an arithmetic number, because the mean of its divisors is an integer number (9235357).

Almost surely, 2^18470713 is an apocalyptic number.

It is an amenable number.

18470713 is a deficient number, since it is larger than the sum of its proper divisors (1).

18470713 is an equidigital number, since it uses as much as digits as its factorization.

18470713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 18470713 is about 4297.7567404403. The cubic root of 18470713 is about 264.3389862212.

The spelling of 18470713 in words is "eighteen million, four hundred seventy thousand, seven hundred thirteen".