38830013 has 4 divisors (see below), whose sum is σ = 38856480. Its totient is φ = 38803548.

The previous prime is 38830007. The next prime is 38830021. The reversal of 38830013 is 31003883.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 38830013 - 2¹⁸ = 38567869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38830213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10895 + ... + 14012.

It is an arithmetic number, because the mean of its divisors is an integer number (9714120).

Almost surely, 2^38830013 is an apocalyptic number.

It is an amenable number.

38830013 is a deficient number, since it is larger than the sum of its proper divisors (26467).

38830013 is a wasteful number, since it uses less digits than its factorization.

38830013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26466.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 38830013 is about 6231.3732836350. The cubic root of 38830013 is about 338.6277242812.

Adding to 38830013 its reverse (31003883), we get a palindrome (69833896).

The spelling of 38830013 in words is "thirty-eight million, eight hundred thirty thousand, thirteen".