12115183 has 4 divisors (see below), whose sum is σ = 12195568. Its totient is φ = 12034800.

The previous prime is 12115163. The next prime is 12115193. The reversal of 12115183 is 38151121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38151121 = 211 ⋅180811.

It is a cyclic number.

It is not a de Polignac number, because 12115183 - 2⁵ = 12115151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12115123) 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, 39966 + ... + 40267.

It is an arithmetic number, because the mean of its divisors is an integer number (3048892).

Almost surely, 2^12115183 is an apocalyptic number.

12115183 is a deficient number, since it is larger than the sum of its proper divisors (80385).

12115183 is an equidigital number, since it uses as much as digits as its factorization.

12115183 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80384.

The product of its digits is 240, while the sum is 22.

The square root of 12115183 is about 3480.6871448035. The cubic root of 12115183 is about 229.6730262495.

The spelling of 12115183 in words is "twelve million, one hundred fifteen thousand, one hundred eighty-three".