12326641 has 2 divisors, whose sum is σ = 12326642. Its totient is φ = 12326640.

The previous prime is 12326599. The next prime is 12326651. The reversal of 12326641 is 14662321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12285025 + 41616 = 3505^2 + 204^2 .

It is a cyclic number.

It is not a de Polignac number, because 12326641 - 2¹⁷ = 12195569 is a prime.

It is not a weakly prime, because it can be changed into another prime (12326651) 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, 6163320 + 6163321.

It is an arithmetic number, because the mean of its divisors is an integer number (6163321).

Almost surely, 2^12326641 is an apocalyptic number.

It is an amenable number.

12326641 is a deficient number, since it is larger than the sum of its proper divisors (1).

12326641 is an equidigital number, since it uses as much as digits as its factorization.

12326641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 25.

The square root of 12326641 is about 3510.9316427410. The cubic root of 12326641 is about 231.0015616793.

Adding to 12326641 its reverse (14662321), we get a palindrome (26988962).

The spelling of 12326641 in words is "twelve million, three hundred twenty-six thousand, six hundred forty-one".