39860713 has 2 divisors, whose sum is σ = 39860714. Its totient is φ = 39860712.

The previous prime is 39860671. The next prime is 39860789. The reversal of 39860713 is 31706893.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39337984 + 522729 = 6272^2 + 723^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39860713 is a prime.

It is not a weakly prime, because it can be changed into another prime (39861713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19930356 + 19930357.

It is an arithmetic number, because the mean of its divisors is an integer number (19930357).

Almost surely, 2^39860713 is an apocalyptic number.

It is an amenable number.

39860713 is a deficient number, since it is larger than the sum of its proper divisors (1).

39860713 is an equidigital number, since it uses as much as digits as its factorization.

39860713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 39860713 is about 6313.5341133156. The cubic root of 39860713 is about 341.5977653116.

The spelling of 39860713 in words is "thirty-nine million, eight hundred sixty thousand, seven hundred thirteen".