12118969 has 2 divisors, whose sum is σ = 12118970. Its totient is φ = 12118968.

The previous prime is 12118961. The next prime is 12119021. The reversal of 12118969 is 96981121.

12118969 is digitally balanced in base 3, 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., 10323369 + 1795600 = 3213^2 + 1340^2 .

It is an emirp because it is prime and its reverse (96981121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12118969 - 2³ = 12118961 is a prime.

It is a super-2 number, since 2×12118969² = 293738819245922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12118961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6059484 + 6059485.

It is an arithmetic number, because the mean of its divisors is an integer number (6059485).

Almost surely, 2^12118969 is an apocalyptic number.

It is an amenable number.

12118969 is a deficient number, since it is larger than the sum of its proper divisors (1).

12118969 is an equidigital number, since it uses as much as digits as its factorization.

12118969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 37.

The square root of 12118969 is about 3481.2309604506. The cubic root of 12118969 is about 229.6969480649.

The spelling of 12118969 in words is "twelve million, one hundred eighteen thousand, nine hundred sixty-nine".