13242443 has 2 divisors, whose sum is σ = 13242444. Its totient is φ = 13242442.

The previous prime is 13242407. The next prime is 13242497. The reversal of 13242443 is 34424231.

It is a weak prime.

It is an emirp because it is prime and its reverse (34424231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13242443 - 2⁶ = 13242379 is a prime.

It is not a weakly prime, because it can be changed into another prime (13244443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6621221 + 6621222.

It is an arithmetic number, because the mean of its divisors is an integer number (6621222).

Almost surely, 2^13242443 is an apocalyptic number.

13242443 is a deficient number, since it is larger than the sum of its proper divisors (1).

13242443 is an equidigital number, since it uses as much as digits as its factorization.

13242443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 23.

The square root of 13242443 is about 3639.0167628083. The cubic root of 13242443 is about 236.5861792913.

Adding to 13242443 its reverse (34424231), we get a palindrome (47666674).

The spelling of 13242443 in words is "thirteen million, two hundred forty-two thousand, four hundred forty-three".