12327286 has 4 divisors (see below), whose sum is σ = 18490932. Its totient is φ = 6163642.

The previous prime is 12327281. The next prime is 12327311. The reversal of 12327286 is 68272321.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12327281) 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 as a sum of consecutive naturals, namely, 3081820 + ... + 3081823.

It is an arithmetic number, because the mean of its divisors is an integer number (4622733).

Almost surely, 2^12327286 is an apocalyptic number.

12327286 is a deficient number, since it is larger than the sum of its proper divisors (6163646).

12327286 is an equidigital number, since it uses as much as digits as its factorization.

12327286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6163645.

The product of its digits is 8064, while the sum is 31.

The square root of 12327286 is about 3511.0234975004. The cubic root of 12327286 is about 231.0055907144.

The spelling of 12327286 in words is "twelve million, three hundred twenty-seven thousand, two hundred eighty-six".