12090569 has 2 divisors, whose sum is σ = 12090570. Its totient is φ = 12090568.

The previous prime is 12090563. The next prime is 12090583. The reversal of 12090569 is 96509021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8922169 + 3168400 = 2987^2 + 1780^2 .

It is a cyclic number.

It is not a de Polignac number, because 12090569 - 2⁸ = 12090313 is a prime.

It is a super-2 number, since 2×12090569² = 292363717487522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12090563) 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, 6045284 + 6045285.

It is an arithmetic number, because the mean of its divisors is an integer number (6045285).

Almost surely, 2^12090569 is an apocalyptic number.

It is an amenable number.

12090569 is a deficient number, since it is larger than the sum of its proper divisors (1).

12090569 is an equidigital number, since it uses as much as digits as its factorization.

12090569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 12090569 is about 3477.1495509972. The cubic root of 12090569 is about 229.5173812035.

The spelling of 12090569 in words is "twelve million, ninety thousand, five hundred sixty-nine".