12252389 has 2 divisors, whose sum is σ = 12252390. Its totient is φ = 12252388.

The previous prime is 12252349. The next prime is 12252391. The reversal of 12252389 is 98325221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9796900 + 2455489 = 3130^2 + 1567^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12252389 is a prime.

Together with 12252391, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12252319) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6126194 + 6126195.

It is an arithmetic number, because the mean of its divisors is an integer number (6126195).

Almost surely, 2^12252389 is an apocalyptic number.

It is an amenable number.

12252389 is a deficient number, since it is larger than the sum of its proper divisors (1).

12252389 is an equidigital number, since it uses as much as digits as its factorization.

12252389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 32.

The square root of 12252389 is about 3500.3412690765. The cubic root of 12252389 is about 230.5367991150.

The spelling of 12252389 in words is "twelve million, two hundred fifty-two thousand, three hundred eighty-nine".