12331097 has 2 divisors, whose sum is σ = 12331098. Its totient is φ = 12331096.

The previous prime is 12331093. The next prime is 12331127. The reversal of 12331097 is 79013321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8886361 + 3444736 = 2981^2 + 1856^2 .

It is an emirp because it is prime and its reverse (79013321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12331097 - 2² = 12331093 is a prime.

It is not a weakly prime, because it can be changed into another prime (12331093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6165548 + 6165549.

It is an arithmetic number, because the mean of its divisors is an integer number (6165549).

Almost surely, 2^12331097 is an apocalyptic number.

It is an amenable number.

12331097 is a deficient number, since it is larger than the sum of its proper divisors (1).

12331097 is an equidigital number, since it uses as much as digits as its factorization.

12331097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 12331097 is about 3511.5661748001. The cubic root of 12331097 is about 231.0293935099.

The spelling of 12331097 in words is "twelve million, three hundred thirty-one thousand, ninety-seven".