12262241 has 4 divisors (see below), whose sum is σ = 12310212. Its totient is φ = 12214272.

The previous prime is 12262199. The next prime is 12262259. The reversal of 12262241 is 14226221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7311616 + 4950625 = 2704^2 + 2225^2 .

It is a cyclic number.

It is not a de Polignac number, because 12262241 - 2⁶ = 12262177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12262291) 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 3 ways as a sum of consecutive naturals, for example, 23600 + ... + 24113.

It is an arithmetic number, because the mean of its divisors is an integer number (3077553).

Almost surely, 2^12262241 is an apocalyptic number.

It is an amenable number.

12262241 is a deficient number, since it is larger than the sum of its proper divisors (47971).

12262241 is an equidigital number, since it uses as much as digits as its factorization.

12262241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47970.

The product of its digits is 384, while the sum is 20.

The square root of 12262241 is about 3501.7482776465. The cubic root of 12262241 is about 230.5985731917.

Adding to 12262241 its reverse (14226221), we get a palindrome (26488462).

The spelling of 12262241 in words is "twelve million, two hundred sixty-two thousand, two hundred forty-one".