9999713 has 2 divisors, whose sum is σ = 9999714.
Its totient is φ = 9999712.
The previous prime is 9999677. The next prime is 9999739. The reversal of 9999713 is 3179999.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 9138529 + 861184 = 3023^2 + 928^2
It is an emirp because it is prime and its reverse (3179999) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 9999713 - 210 = 9998689 is a prime.
It is not a weakly prime, because it can be changed into another prime (9992713) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4999856 + 4999857.
It is an arithmetic number, because the mean of its divisors is an integer number (4999857).
Almost surely, 29999713 is an apocalyptic number.
It is an amenable number.
9999713 is a deficient number, since it is larger than the sum of its proper divisors (1).
9999713 is an equidigital number, since it uses as much as digits as its factorization.
9999713 is an evil number, because the sum of its binary digits is even.
The product of its digits is 137781, while the sum is 47.
The square root of 9999713 is about 3162.2322811584.
The cubic root of 9999713 is about 215.4414079076.
The spelling of 9999713 in words is "nine million, nine hundred ninety-nine thousand, seven hundred thirteen".