39366013 has 2 divisors, whose sum is σ = 39366014. Its totient is φ = 39366012.

The previous prime is 39365993. The next prime is 39366031. The reversal of 39366013 is 31066393.

Together with next prime (39366031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28323684 + 11042329 = 5322^2 + 3323^2 .

It is an emirp because it is prime and its reverse (31066393) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 39366013 - 2¹³ = 39357821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39366073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19683006 + 19683007.

It is an arithmetic number, because the mean of its divisors is an integer number (19683007).

Almost surely, 2^39366013 is an apocalyptic number.

It is an amenable number.

39366013 is a deficient number, since it is larger than the sum of its proper divisors (1).

39366013 is an equidigital number, since it uses as much as digits as its factorization.

39366013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 31.

The square root of 39366013 is about 6274.2340568391. The cubic root of 39366013 is about 340.1787209178.

The spelling of 39366013 in words is "thirty-nine million, three hundred sixty-six thousand, thirteen".