9866713 has 2 divisors, whose sum is σ = 9866714. Its totient is φ = 9866712.

The previous prime is 9866707. The next prime is 9866729. The reversal of 9866713 is 3176689.

9866713 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9078169 + 788544 = 3013^2 + 888^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9866713 is a prime.

It is not a weakly prime, because it can be changed into another prime (9866413) 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 as a sum of consecutive naturals, namely, 4933356 + 4933357.

It is an arithmetic number, because the mean of its divisors is an integer number (4933357).

Almost surely, 2^9866713 is an apocalyptic number.

It is an amenable number.

9866713 is a deficient number, since it is larger than the sum of its proper divisors (1).

9866713 is an equidigital number, since it uses as much as digits as its factorization.

9866713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 40.

The square root of 9866713 is about 3141.1324391054. The cubic root of 9866713 is about 214.4819907252.

The spelling of 9866713 in words is "nine million, eight hundred sixty-six thousand, seven hundred thirteen".