12322309 has 2 divisors, whose sum is σ = 12322310. Its totient is φ = 12322308.

The previous prime is 12322301. The next prime is 12322333. The reversal of 12322309 is 90322321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12320100 + 2209 = 3510^2 + 47^2 .

It is an emirp because it is prime and its reverse (90322321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12322309 - 2³ = 12322301 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12322309.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12322301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6161154 + 6161155.

It is an arithmetic number, because the mean of its divisors is an integer number (6161155).

Almost surely, 2^12322309 is an apocalyptic number.

It is an amenable number.

12322309 is a deficient number, since it is larger than the sum of its proper divisors (1).

12322309 is an equidigital number, since it uses as much as digits as its factorization.

12322309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 12322309 is about 3510.3146582607. The cubic root of 12322309 is about 230.9744979125.

The spelling of 12322309 in words is "twelve million, three hundred twenty-two thousand, three hundred nine".