38836013 has 2 divisors, whose sum is σ = 38836014. Its totient is φ = 38836012.

The previous prime is 38836003. The next prime is 38836037. The reversal of 38836013 is 31063883.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23990404 + 14845609 = 4898^2 + 3853^2 .

It is a cyclic number.

It is not a de Polignac number, because 38836013 - 2¹⁰ = 38834989 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 (38836003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19418006 + 19418007.

It is an arithmetic number, because the mean of its divisors is an integer number (19418007).

Almost surely, 2^38836013 is an apocalyptic number.

It is an amenable number.

38836013 is a deficient number, since it is larger than the sum of its proper divisors (1).

38836013 is an equidigital number, since it uses as much as digits as its factorization.

38836013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 38836013 is about 6231.8546998466. The cubic root of 38836013 is about 338.6451649287.

Adding to 38836013 its reverse (31063883), we get a palindrome (69899896).

The spelling of 38836013 in words is "thirty-eight million, eight hundred thirty-six thousand, thirteen".