12322993 has 2 divisors, whose sum is σ = 12322994. Its totient is φ = 12322992.

The previous prime is 12322987. The next prime is 12323021. The reversal of 12322993 is 39922321.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12271009 + 51984 = 3503^2 + 228^2 .

It is a cyclic number.

It is not a de Polignac number, because 12322993 - 2²¹ = 10225841 is a prime.

It is not a weakly prime, because it can be changed into another prime (12322913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6161496 + 6161497.

It is an arithmetic number, because the mean of its divisors is an integer number (6161497).

Almost surely, 2^12322993 is an apocalyptic number.

It is an amenable number.

12322993 is a deficient number, since it is larger than the sum of its proper divisors (1).

12322993 is an equidigital number, since it uses as much as digits as its factorization.

12322993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832, while the sum is 31.

The square root of 12322993 is about 3510.4120840722. The cubic root of 12322993 is about 230.9787715604.

It can be divided in two parts, 1232 and 2993, that added together give a square (4225 = 65²).

The spelling of 12322993 in words is "twelve million, three hundred twenty-two thousand, nine hundred ninety-three".