12331747 has 2 divisors, whose sum is σ = 12331748. Its totient is φ = 12331746.

The previous prime is 12331733. The next prime is 12331771. The reversal of 12331747 is 74713321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12331747 - 2²³ = 3943139 is a prime.

It is not a weakly prime, because it can be changed into another prime (12331727) 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, 6165873 + 6165874.

It is an arithmetic number, because the mean of its divisors is an integer number (6165874).

Almost surely, 2^12331747 is an apocalyptic number.

12331747 is a deficient number, since it is larger than the sum of its proper divisors (1).

12331747 is an equidigital number, since it uses as much as digits as its factorization.

12331747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3528, while the sum is 28.

The square root of 12331747 is about 3511.6587248763. The cubic root of 12331747 is about 231.0334527991.

The spelling of 12331747 in words is "twelve million, three hundred thirty-one thousand, seven hundred forty-seven".