39713117 has 2 divisors, whose sum is σ = 39713118. Its totient is φ = 39713116.

The previous prime is 39713087. The next prime is 39713131. The reversal of 39713117 is 71131793.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24393721 + 15319396 = 4939^2 + 3914^2 .

It is a cyclic number.

It is not a de Polignac number, because 39713117 - 2⁶ = 39713053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39713137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19856558 + 19856559.

It is an arithmetic number, because the mean of its divisors is an integer number (19856559).

Almost surely, 2^39713117 is an apocalyptic number.

It is an amenable number.

39713117 is a deficient number, since it is larger than the sum of its proper divisors (1).

39713117 is an equidigital number, since it uses as much as digits as its factorization.

39713117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3969, while the sum is 32.

The square root of 39713117 is about 6301.8344154698. The cubic root of 39713117 is about 341.1756218189.

The spelling of 39713117 in words is "thirty-nine million, seven hundred thirteen thousand, one hundred seventeen".