13442243 has 2 divisors, whose sum is σ = 13442244. Its totient is φ = 13442242.

The previous prime is 13442239. The next prime is 13442249. The reversal of 13442243 is 34224431.

13442243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13442243 - 2² = 13442239 is a prime.

It is not a weakly prime, because it can be changed into another prime (13442249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6721121 + 6721122.

It is an arithmetic number, because the mean of its divisors is an integer number (6721122).

Almost surely, 2^13442243 is an apocalyptic number.

13442243 is a deficient number, since it is larger than the sum of its proper divisors (1).

13442243 is an equidigital number, since it uses as much as digits as its factorization.

13442243 is an evil number, because the sum of its binary digits is even.

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

The square root of 13442243 is about 3666.3664574071. The cubic root of 13442243 is about 237.7701037805.

Adding to 13442243 its reverse (34224431), we get a palindrome (47666674).

The spelling of 13442243 in words is "thirteen million, four hundred forty-two thousand, two hundred forty-three".