38710013 has 2 divisors, whose sum is σ = 38710014. Its totient is φ = 38710012.

The previous prime is 38709997. The next prime is 38710031. The reversal of 38710013 is 31001783.

It is a happy number.

Together with next prime (38710031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33154564 + 5555449 = 5758^2 + 2357^2 .

It is a cyclic number.

It is not a de Polignac number, because 38710013 - 2⁴ = 38709997 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38710043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19355006 + 19355007.

It is an arithmetic number, because the mean of its divisors is an integer number (19355007).

Almost surely, 2^38710013 is an apocalyptic number.

It is an amenable number.

38710013 is a deficient number, since it is larger than the sum of its proper divisors (1).

38710013 is an equidigital number, since it uses as much as digits as its factorization.

38710013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 38710013 is about 6221.7371368453. The cubic root of 38710013 is about 338.2785334063.

Adding to 38710013 its reverse (31001783), we get a palindrome (69711796).

The spelling of 38710013 in words is "thirty-eight million, seven hundred ten thousand, thirteen".