12432311 has 2 divisors, whose sum is σ = 12432312. Its totient is φ = 12432310.

The previous prime is 12432269. The next prime is 12432317. The reversal of 12432311 is 11323421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12432311 - 2⁶ = 12432247 is a prime.

It is a Chen prime.

It is a plaindrome in base 6 and base 15.

It is a zygodrome in base 6.

It is a self number, because there is not a number n which added to its sum of digits gives 12432311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12432317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6216155 + 6216156.

It is an arithmetic number, because the mean of its divisors is an integer number (6216156).

Almost surely, 2^12432311 is an apocalyptic number.

12432311 is a deficient number, since it is larger than the sum of its proper divisors (1).

12432311 is an equidigital number, since it uses as much as digits as its factorization.

12432311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144, while the sum is 17.

The square root of 12432311 is about 3525.9482412537. The cubic root of 12432311 is about 231.6597705680.

Adding to 12432311 its reverse (11323421), we get a palindrome (23755732).

The spelling of 12432311 in words is "twelve million, four hundred thirty-two thousand, three hundred eleven".