12442241 has 16 divisors (see below), whose sum is σ = 14995200. Its totient is φ = 10093248.

The previous prime is 12442237. The next prime is 12442259. The reversal of 12442241 is 14224421.

It is a cyclic number.

It is not a de Polignac number, because 12442241 - 2² = 12442237 is a prime.

It is a super-2 number, since 2×12442241² = 309618722204162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12442201) 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 in 15 ways as a sum of consecutive naturals, for example, 17195 + ... + 17903.

It is an arithmetic number, because the mean of its divisors is an integer number (937200).

Almost surely, 2^12442241 is an apocalyptic number.

It is an amenable number.

12442241 is a deficient number, since it is larger than the sum of its proper divisors (2552959).

12442241 is a wasteful number, since it uses less digits than its factorization.

12442241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848.

The product of its digits is 512, while the sum is 20.

The square root of 12442241 is about 3527.3560920327. The cubic root of 12442241 is about 231.7214316525.

Adding to 12442241 its reverse (14224421), we get a palindrome (26666662).

The spelling of 12442241 in words is "twelve million, four hundred forty-two thousand, two hundred forty-one".