12442043 has 2 divisors, whose sum is σ = 12442044. Its totient is φ = 12442042.

The previous prime is 12442033. The next prime is 12442051. The reversal of 12442043 is 34024421.

12442043 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 not a de Polignac number, because 12442043 - 2⁸ = 12441787 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (12442033) 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, 6221021 + 6221022.

It is an arithmetic number, because the mean of its divisors is an integer number (6221022).

Almost surely, 2^12442043 is an apocalyptic number.

12442043 is a deficient number, since it is larger than the sum of its proper divisors (1).

12442043 is an equidigital number, since it uses as much as digits as its factorization.

12442043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 12442043 is about 3527.3280255740. The cubic root of 12442043 is about 231.7202024772.

Adding to 12442043 its reverse (34024421), we get a palindrome (46466464).

The spelling of 12442043 in words is "twelve million, four hundred forty-two thousand, forty-three".