18741713 has 2 divisors, whose sum is σ = 18741714. Its totient is φ = 18741712.

The previous prime is 18741703. The next prime is 18741727. The reversal of 18741713 is 31714781.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12229009 + 6512704 = 3497^2 + 2552^2 .

It is a cyclic number.

It is not a de Polignac number, because 18741713 - 2¹⁸ = 18479569 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18741713.

It is not a weakly prime, because it can be changed into another prime (18741703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9370856 + 9370857.

It is an arithmetic number, because the mean of its divisors is an integer number (9370857).

Almost surely, 2^18741713 is an apocalyptic number.

It is an amenable number.

18741713 is a deficient number, since it is larger than the sum of its proper divisors (1).

18741713 is an equidigital number, since it uses as much as digits as its factorization.

18741713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4704, while the sum is 32.

The square root of 18741713 is about 4329.1700128316. The cubic root of 18741713 is about 265.6254976323.

The spelling of 18741713 in words is "eighteen million, seven hundred forty-one thousand, seven hundred thirteen".