12321267 has 16 divisors (see below), whose sum is σ = 19004160. Its totient is φ = 6954912.

The previous prime is 12321247. The next prime is 12321289. The reversal of 12321267 is 76212321.

12321267 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12321267 - 2⁸ = 12321011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12321227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1792 + ... + 5277.

It is an arithmetic number, because the mean of its divisors is an integer number (1187760).

Almost surely, 2^12321267 is an apocalyptic number.

12321267 is a deficient number, since it is larger than the sum of its proper divisors (6682893).

12321267 is an equidigital number, since it uses as much as digits as its factorization.

12321267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7162.

The product of its digits is 1008, while the sum is 24.

The square root of 12321267 is about 3510.1662353797. The cubic root of 12321267 is about 230.9679871681.

Adding to 12321267 its reverse (76212321), we get a palindrome (88533588).

The spelling of 12321267 in words is "twelve million, three hundred twenty-one thousand, two hundred sixty-seven".