12242443 has 2 divisors, whose sum is σ = 12242444. Its totient is φ = 12242442.

The previous prime is 12242429. The next prime is 12242453. The reversal of 12242443 is 34424221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12242443 - 2¹⁷ = 12111371 is a prime.

It is not a weakly prime, because it can be changed into another prime (12242423) 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, 6121221 + 6121222.

It is an arithmetic number, because the mean of its divisors is an integer number (6121222).

Almost surely, 2^12242443 is an apocalyptic number.

12242443 is a deficient number, since it is larger than the sum of its proper divisors (1).

12242443 is an equidigital number, since it uses as much as digits as its factorization.

12242443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1536, while the sum is 22.

The square root of 12242443 is about 3498.9202620237. The cubic root of 12242443 is about 230.4744020397.

Adding to 12242443 its reverse (34424221), we get a palindrome (46666664).

The spelling of 12242443 in words is "twelve million, two hundred forty-two thousand, four hundred forty-three".