12323211 has 4 divisors (see below), whose sum is σ = 16430952. Its totient is φ = 8215472.

The previous prime is 12323197. The next prime is 12323219. The reversal of 12323211 is 11232321.

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 12323211 - 2⁹ = 12322699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12323219) 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 3 ways as a sum of consecutive naturals, for example, 2053866 + ... + 2053871.

It is an arithmetic number, because the mean of its divisors is an integer number (4107738).

Almost surely, 2^12323211 is an apocalyptic number.

12323211 is a deficient number, since it is larger than the sum of its proper divisors (4107741).

12323211 is an equidigital number, since it uses as much as digits as its factorization.

12323211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4107740.

The product of its digits is 72, while the sum is 15.

The square root of 12323211 is about 3510.4431344205. The cubic root of 12323211 is about 230.9801335963.

Adding to 12323211 its reverse (11232321), we get a palindrome (23555532).

The spelling of 12323211 in words is "twelve million, three hundred twenty-three thousand, two hundred eleven".