12089243 has 2 divisors, whose sum is σ = 12089244. Its totient is φ = 12089242.

The previous prime is 12089239. The next prime is 12089249. The reversal of 12089243 is 34298021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12089243 - 2² = 12089239 is a prime.

It is a super-2 number, since 2×12089243² = 292299592626098, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (12089249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6044621 + 6044622.

It is an arithmetic number, because the mean of its divisors is an integer number (6044622).

Almost surely, 2^12089243 is an apocalyptic number.

12089243 is a deficient number, since it is larger than the sum of its proper divisors (1).

12089243 is an equidigital number, since it uses as much as digits as its factorization.

12089243 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 29.

The square root of 12089243 is about 3476.9588723481. The cubic root of 12089243 is about 229.5089903336.

The spelling of 12089243 in words is "twelve million, eighty-nine thousand, two hundred forty-three".