11938199 has 16 divisors (see below), whose sum is σ = 15559488. Its totient is φ = 8888832.

The previous prime is 11938183. The next prime is 11938207. The reversal of 11938199 is 99183911.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11938199 - 2⁴ = 11938183 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11938109) 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 15 ways as a sum of consecutive naturals, for example, 2312 + ... + 5405.

It is an arithmetic number, because the mean of its divisors is an integer number (972468).

Almost surely, 2^11938199 is an apocalyptic number.

11938199 is a deficient number, since it is larger than the sum of its proper divisors (3621289).

11938199 is a wasteful number, since it uses less digits than its factorization.

11938199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7754.

The product of its digits is 17496, while the sum is 41.

The square root of 11938199 is about 3455.1698945204. The cubic root of 11938199 is about 228.5491469538.

The spelling of 11938199 in words is "eleven million, nine hundred thirty-eight thousand, one hundred ninety-nine".