12408089 has 2 divisors, whose sum is σ = 12408090. Its totient is φ = 12408088.

The previous prime is 12408073. The next prime is 12408103. The reversal of 12408089 is 98080421.

It is a happy number.

12408089 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12390400 + 17689 = 3520^2 + 133^2 .

It is a cyclic number.

It is not a de Polignac number, because 12408089 - 2⁴ = 12408073 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12408689) 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 as a sum of consecutive naturals, namely, 6204044 + 6204045.

It is an arithmetic number, because the mean of its divisors is an integer number (6204045).

Almost surely, 2^12408089 is an apocalyptic number.

It is an amenable number.

12408089 is a deficient number, since it is larger than the sum of its proper divisors (1).

12408089 is an equidigital number, since it uses as much as digits as its factorization.

12408089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 12408089 is about 3522.5117458995. The cubic root of 12408089 is about 231.5092243804.

The spelling of 12408089 in words is "twelve million, four hundred eight thousand, eighty-nine".