39376013 has 2 divisors, whose sum is σ = 39376014. Its totient is φ = 39376012.

The previous prime is 39376009. The next prime is 39376019. The reversal of 39376013 is 31067393.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38962564 + 413449 = 6242^2 + 643^2 .

It is a cyclic number.

It is not a de Polignac number, because 39376013 - 2² = 39376009 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39376019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19688006 + 19688007.

It is an arithmetic number, because the mean of its divisors is an integer number (19688007).

Almost surely, 2^39376013 is an apocalyptic number.

It is an amenable number.

39376013 is a deficient number, since it is larger than the sum of its proper divisors (1).

39376013 is an equidigital number, since it uses as much as digits as its factorization.

39376013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10206, while the sum is 32.

The square root of 39376013 is about 6275.0309162585. The cubic root of 39376013 is about 340.2075232521.

The spelling of 39376013 in words is "thirty-nine million, three hundred seventy-six thousand, thirteen".