12322943 has 4 divisors (see below), whose sum is σ = 13047840. Its totient is φ = 11598048.

The previous prime is 12322913. The next prime is 12322949. The reversal of 12322943 is 34922321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12322943 - 2¹⁰ = 12321919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12322949) 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 in 3 ways as a sum of consecutive naturals, for example, 362423 + ... + 362456.

It is an arithmetic number, because the mean of its divisors is an integer number (3261960).

Almost surely, 2^12322943 is an apocalyptic number.

12322943 is a deficient number, since it is larger than the sum of its proper divisors (724897).

12322943 is an equidigital number, since it uses as much as digits as its factorization.

12322943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724896.

The product of its digits is 2592, while the sum is 26.

The square root of 12322943 is about 3510.4049623939. The cubic root of 12322943 is about 230.9784591646.

The spelling of 12322943 in words is "twelve million, three hundred twenty-two thousand, nine hundred forty-three".