12331327 has 4 divisors (see below), whose sum is σ = 12357136. Its totient is φ = 12305520.

The previous prime is 12331309. The next prime is 12331337. The reversal of 12331327 is 72313321.

It is a happy number.

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 12331327 - 2¹¹ = 12329279 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12331298 and 12331307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12331337) 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, 12174 + ... + 13147.

It is an arithmetic number, because the mean of its divisors is an integer number (3089284).

Almost surely, 2^12331327 is an apocalyptic number.

12331327 is a deficient number, since it is larger than the sum of its proper divisors (25809).

12331327 is an equidigital number, since it uses as much as digits as its factorization.

12331327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25808.

The product of its digits is 756, while the sum is 22.

The square root of 12331327 is about 3511.5989235674. The cubic root of 12331327 is about 231.0308298900.

Adding to 12331327 its reverse (72313321), we get a palindrome (84644648).

The spelling of 12331327 in words is "twelve million, three hundred thirty-one thousand, three hundred twenty-seven".