18183713 has 2 divisors, whose sum is σ = 18183714. Its totient is φ = 18183712.

The previous prime is 18183677. The next prime is 18183719. The reversal of 18183713 is 31738181.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13890529 + 4293184 = 3727^2 + 2072^2 .

It is an emirp because it is prime and its reverse (31738181) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18183713 - 2⁸ = 18183457 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 18183713.

It is not a weakly prime, because it can be changed into another prime (18183719) 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 as a sum of consecutive naturals, namely, 9091856 + 9091857.

It is an arithmetic number, because the mean of its divisors is an integer number (9091857).

Almost surely, 2^18183713 is an apocalyptic number.

It is an amenable number.

18183713 is a deficient number, since it is larger than the sum of its proper divisors (1).

18183713 is an equidigital number, since it uses as much as digits as its factorization.

18183713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 32.

The square root of 18183713 is about 4264.2365084503. The cubic root of 18183713 is about 262.9627236851.

The spelling of 18183713 in words is "eighteen million, one hundred eighty-three thousand, seven hundred thirteen".