12331771 has 2 divisors, whose sum is σ = 12331772. Its totient is φ = 12331770.

The previous prime is 12331747. The next prime is 12331789. The reversal of 12331771 is 17713321.

12331771 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12331771 is a prime.

It is not a weakly prime, because it can be changed into another prime (12331871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6165885 + 6165886.

It is an arithmetic number, because the mean of its divisors is an integer number (6165886).

Almost surely, 2^12331771 is an apocalyptic number.

12331771 is a deficient number, since it is larger than the sum of its proper divisors (1).

12331771 is an equidigital number, since it uses as much as digits as its factorization.

12331771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 882, while the sum is 25.

The square root of 12331771 is about 3511.6621420632. The cubic root of 12331771 is about 231.0336026778.

The spelling of 12331771 in words is "twelve million, three hundred thirty-one thousand, seven hundred seventy-one".