12118597 has 2 divisors, whose sum is σ = 12118598. Its totient is φ = 12118596.

The previous prime is 12118591. The next prime is 12118619. The reversal of 12118597 is 79581121.

It is a happy number.

12118597 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12047841 + 70756 = 3471^2 + 266^2 .

It is a cyclic number.

It is not a de Polignac number, because 12118597 - 2²³ = 3729989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12118591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6059298 + 6059299.

It is an arithmetic number, because the mean of its divisors is an integer number (6059299).

Almost surely, 2^12118597 is an apocalyptic number.

It is an amenable number.

12118597 is a deficient number, since it is larger than the sum of its proper divisors (1).

12118597 is an equidigital number, since it uses as much as digits as its factorization.

12118597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 34.

The square root of 12118597 is about 3481.1775306640. The cubic root of 12118597 is about 229.6945978062.

The spelling of 12118597 in words is "twelve million, one hundred eighteen thousand, five hundred ninety-seven".