12322321 has 4 divisors (see below), whose sum is σ = 13442544. Its totient is φ = 11202100.

The previous prime is 12322309. The next prime is 12322333.

12322321 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (12322309) and next prime (12322333).

It is a cyclic number.

It is not a de Polignac number, because 12322321 - 2²¹ = 10225169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12322295 and 12322304.

It is not an unprimeable number, because it can be changed into a prime (12322301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 560095 + ... + 560116.

It is an arithmetic number, because the mean of its divisors is an integer number (3360636).

Almost surely, 2^12322321 is an apocalyptic number.

12322321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12322321 is a deficient number, since it is larger than the sum of its proper divisors (1120223).

12322321 is a wasteful number, since it uses less digits than its factorization.

12322321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120222.

The product of its digits is 144, while the sum is 16.

The square root of 12322321 is about 3510.3163675088. The cubic root of 12322321 is about 230.9745728901.

It can be divided in two parts, 1232 and 2321, that added together give a palindrome (3553).

The spelling of 12322321 in words is "twelve million, three hundred twenty-two thousand, three hundred twenty-one".