12326231 has 8 divisors (see below), whose sum is σ = 13007280. Its totient is φ = 11648448.

The previous prime is 12326219. The next prime is 12326257. The reversal of 12326231 is 13262321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12326231 - 2²² = 8131927 is a prime.

It is a super-2 number, since 2×12326231² = 303871941330722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12326201) 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 7 ways as a sum of consecutive naturals, for example, 13955 + ... + 14811.

It is an arithmetic number, because the mean of its divisors is an integer number (1625910).

Almost surely, 2^12326231 is an apocalyptic number.

12326231 is a deficient number, since it is larger than the sum of its proper divisors (681049).

12326231 is an equidigital number, since it uses as much as digits as its factorization.

12326231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1633.

The product of its digits is 432, while the sum is 20.

The square root of 12326231 is about 3510.8732531950. The cubic root of 12326231 is about 230.9990005142. Note that the first 3 decimals are identical.

Adding to 12326231 its reverse (13262321), we get a palindrome (25588552).

It can be divided in two parts, 1 and 2326231, that added together give a palindrome (2326232).

The spelling of 12326231 in words is "twelve million, three hundred twenty-six thousand, two hundred thirty-one".