13038917 has 4 divisors (see below), whose sum is σ = 13049376. Its totient is φ = 13028460.

The previous prime is 13038889. The next prime is 13038931. The reversal of 13038917 is 71983031.

13038917 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 13038917 - 2⁶ = 13038853 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 (13038947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3059 + ... + 5952.

It is an arithmetic number, because the mean of its divisors is an integer number (3262344).

Almost surely, 2^13038917 is an apocalyptic number.

It is an amenable number.

13038917 is a deficient number, since it is larger than the sum of its proper divisors (10459).

13038917 is an equidigital number, since it uses as much as digits as its factorization.

13038917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10458.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 13038917 is about 3610.9440593839. The cubic root of 13038917 is about 235.3678680835.

The spelling of 13038917 in words is "thirteen million, thirty-eight thousand, nine hundred seventeen".