11813119 has 4 divisors (see below), whose sum is σ = 11825296. Its totient is φ = 11800944.

The previous prime is 11813111. The next prime is 11813129. The reversal of 11813119 is 91131811.

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 11813119 - 2³ = 11813111 is a prime.

It is a super-2 number, since 2×11813119² = 279099561016322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11813093 and 11813102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11813111) 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, 4494 + ... + 6619.

It is an arithmetic number, because the mean of its divisors is an integer number (2956324).

Almost surely, 2^11813119 is an apocalyptic number.

11813119 is a deficient number, since it is larger than the sum of its proper divisors (12177).

11813119 is a wasteful number, since it uses less digits than its factorization.

11813119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12176.

The product of its digits is 216, while the sum is 25.

The square root of 11813119 is about 3437.0218212866. The cubic root of 11813119 is about 227.7481509134.

The spelling of 11813119 in words is "eleven million, eight hundred thirteen thousand, one hundred nineteen".