12326997 has 4 divisors (see below), whose sum is σ = 16436000. Its totient is φ = 8217996.

The previous prime is 12326987. The next prime is 12327041. The reversal of 12326997 is 79962321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79962321 = 3 ⋅26654107.

It is not a de Polignac number, because 12326997 - 2⁴ = 12326981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12326927) 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 in 3 ways as a sum of consecutive naturals, for example, 2054497 + ... + 2054502.

It is an arithmetic number, because the mean of its divisors is an integer number (4109000).

Almost surely, 2^12326997 is an apocalyptic number.

It is an amenable number.

12326997 is a deficient number, since it is larger than the sum of its proper divisors (4109003).

12326997 is an equidigital number, since it uses as much as digits as its factorization.

12326997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4109002.

The product of its digits is 40824, while the sum is 39.

The square root of 12326997 is about 3510.9823411689. The cubic root of 12326997 is about 231.0037854742.

The spelling of 12326997 in words is "twelve million, three hundred twenty-six thousand, nine hundred ninety-seven".