39713087 has 2 divisors, whose sum is σ = 39713088. Its totient is φ = 39713086.

The previous prime is 39713083. The next prime is 39713117. The reversal of 39713087 is 78031793.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 39713087 - 2² = 39713083 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 39713087.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39713081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19856543 + 19856544.

It is an arithmetic number, because the mean of its divisors is an integer number (19856544).

Almost surely, 2^39713087 is an apocalyptic number.

39713087 is a deficient number, since it is larger than the sum of its proper divisors (1).

39713087 is an equidigital number, since it uses as much as digits as its factorization.

39713087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 39713087 is about 6301.8320352101. The cubic root of 39713087 is about 341.1755359088.

The spelling of 39713087 in words is "thirty-nine million, seven hundred thirteen thousand, eighty-seven".