12134189 has 2 divisors, whose sum is σ = 12134190. Its totient is φ = 12134188.

The previous prime is 12134173. The next prime is 12134197. The reversal of 12134189 is 98143121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12075625 + 58564 = 3475^2 + 242^2 .

It is a cyclic number.

It is not a de Polignac number, because 12134189 - 2⁴ = 12134173 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12134119) 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, 6067094 + 6067095.

It is an arithmetic number, because the mean of its divisors is an integer number (6067095).

Almost surely, 2^12134189 is an apocalyptic number.

It is an amenable number.

12134189 is a deficient number, since it is larger than the sum of its proper divisors (1).

12134189 is an equidigital number, since it uses as much as digits as its factorization.

12134189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 29.

The square root of 12134189 is about 3483.4162829039. The cubic root of 12134189 is about 229.7930652911.

The spelling of 12134189 in words is "twelve million, one hundred thirty-four thousand, one hundred eighty-nine".