12189299 has 2 divisors, whose sum is σ = 12189300. Its totient is φ = 12189298.

The previous prime is 12189283. The next prime is 12189337. The reversal of 12189299 is 99298121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12189299 - 2⁴ = 12189283 is a prime.

It is a super-2 number, since 2×12189299² = 297158020222802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12189269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6094649 + 6094650.

It is an arithmetic number, because the mean of its divisors is an integer number (6094650).

Almost surely, 2^12189299 is an apocalyptic number.

12189299 is a deficient number, since it is larger than the sum of its proper divisors (1).

12189299 is an equidigital number, since it uses as much as digits as its factorization.

12189299 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 41.

The square root of 12189299 is about 3491.3176595664. The cubic root of 12189299 is about 230.1404246444.

The spelling of 12189299 in words is "twelve million, one hundred eighty-nine thousand, two hundred ninety-nine".