12118583 has 4 divisors (see below), whose sum is σ = 12125760. Its totient is φ = 12111408.

The previous prime is 12118567. The next prime is 12118591. The reversal of 12118583 is 38581121.

12118583 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 38581121 = 37 ⋅1042733.

It is a cyclic number.

It is not a de Polignac number, because 12118583 - 2⁴ = 12118567 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 (12118543) 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, 491 + ... + 4947.

It is an arithmetic number, because the mean of its divisors is an integer number (3031440).

Almost surely, 2^12118583 is an apocalyptic number.

12118583 is a deficient number, since it is larger than the sum of its proper divisors (7177).

12118583 is an equidigital number, since it uses as much as digits as its factorization.

12118583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7176.

The product of its digits is 1920, while the sum is 29.

The square root of 12118583 is about 3481.1755198496. The cubic root of 12118583 is about 229.6945093546.

The spelling of 12118583 in words is "twelve million, one hundred eighteen thousand, five hundred eighty-three".