12322443 has 16 divisors (see below), whose sum is σ = 19285760. Its totient is φ = 6850656.

The previous prime is 12322423. The next prime is 12322451. The reversal of 12322443 is 34422321.

12322443 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12322443 - 2¹² = 12318347 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12322423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7153 + ... + 8706.

It is an arithmetic number, because the mean of its divisors is an integer number (1205360).

Almost surely, 2^12322443 is an apocalyptic number.

12322443 is a deficient number, since it is larger than the sum of its proper divisors (6963317).

12322443 is a wasteful number, since it uses less digits than its factorization.

12322443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15906.

The product of its digits is 1152, while the sum is 21.

The square root of 12322443 is about 3510.3337448169. Note that the first 3 decimals coincide. The cubic root of 12322443 is about 230.9753351600.

Adding to 12322443 its reverse (34422321), we get a palindrome (46744764).

The spelling of 12322443 in words is "twelve million, three hundred twenty-two thousand, four hundred forty-three".