13118199 has 4 divisors (see below), whose sum is σ = 17490936. Its totient is φ = 8745464.

The previous prime is 13118197. The next prime is 13118207. The reversal of 13118199 is 99181131.

It is a happy number.

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 13118199 - 2¹ = 13118197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13118197) 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, 2186364 + ... + 2186369.

It is an arithmetic number, because the mean of its divisors is an integer number (4372734).

Almost surely, 2^13118199 is an apocalyptic number.

13118199 is a deficient number, since it is larger than the sum of its proper divisors (4372737).

13118199 is an equidigital number, since it uses as much as digits as its factorization.

13118199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4372736.

The product of its digits is 1944, while the sum is 33.

The square root of 13118199 is about 3621.9054377496. The cubic root of 13118199 is about 235.8439490727.

The spelling of 13118199 in words is "thirteen million, one hundred eighteen thousand, one hundred ninety-nine".