12038189 has 2 divisors, whose sum is σ = 12038190. Its totient is φ = 12038188.

The previous prime is 12038179. The next prime is 12038207. The reversal of 12038189 is 98183021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10432900 + 1605289 = 3230^2 + 1267^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12038189 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 (12038119) 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, 6019094 + 6019095.

It is an arithmetic number, because the mean of its divisors is an integer number (6019095).

Almost surely, 2^12038189 is an apocalyptic number.

It is an amenable number.

12038189 is a deficient number, since it is larger than the sum of its proper divisors (1).

12038189 is an equidigital number, since it uses as much as digits as its factorization.

12038189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 12038189 is about 3469.6093440040. The cubic root of 12038189 is about 229.1854551795.

The spelling of 12038189 in words is "twelve million, thirty-eight thousand, one hundred eighty-nine".