13038899 has 4 divisors (see below), whose sum is σ = 13055280. Its totient is φ = 13022520.

The previous prime is 13038889. The next prime is 13038931. The reversal of 13038899 is 99883031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13038899 - 2¹² = 13034803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13038829) 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, 6932 + ... + 8609.

It is an arithmetic number, because the mean of its divisors is an integer number (3263820).

Almost surely, 2^13038899 is an apocalyptic number.

13038899 is a deficient number, since it is larger than the sum of its proper divisors (16381).

13038899 is an equidigital number, since it uses as much as digits as its factorization.

13038899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16380.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 13038899 is about 3610.9415669601. The cubic root of 13038899 is about 235.3677597764.

The spelling of 13038899 in words is "thirteen million, thirty-eight thousand, eight hundred ninety-nine".