13138199 has 2 divisors, whose sum is σ = 13138200. Its totient is φ = 13138198.

The previous prime is 13138193. The next prime is 13138201. The reversal of 13138199 is 99183131.

13138199 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (99183131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13138199 - 2⁴ = 13138183 is a prime.

It is a super-2 number, since 2×13138199² = 345224545927202, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 13138201, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13138193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6569099 + 6569100.

It is an arithmetic number, because the mean of its divisors is an integer number (6569100).

Almost surely, 2^13138199 is an apocalyptic number.

13138199 is a deficient number, since it is larger than the sum of its proper divisors (1).

13138199 is an equidigital number, since it uses as much as digits as its factorization.

13138199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832, while the sum is 35.

The square root of 13138199 is about 3624.6653638646. The cubic root of 13138199 is about 235.9637440713.

The spelling of 13138199 in words is "thirteen million, one hundred thirty-eight thousand, one hundred ninety-nine".