12243241 has 2 divisors, whose sum is σ = 12243242. Its totient is φ = 12243240.

The previous prime is 12243229. The next prime is 12243251. The reversal of 12243241 is 14234221.

12243241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10272025 + 1971216 = 3205^2 + 1404^2 .

It is an emirp because it is prime and its reverse (14234221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12243241 - 2⁷ = 12243113 is a prime.

It is not a weakly prime, because it can be changed into another prime (12243221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6121620 + 6121621.

It is an arithmetic number, because the mean of its divisors is an integer number (6121621).

Almost surely, 2^12243241 is an apocalyptic number.

It is an amenable number.

12243241 is a deficient number, since it is larger than the sum of its proper divisors (1).

12243241 is an equidigital number, since it uses as much as digits as its factorization.

12243241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 384, while the sum is 19.

The square root of 12243241 is about 3499.0342953449. The cubic root of 12243241 is about 230.4794096071.

Adding to 12243241 its reverse (14234221), we get a palindrome (26477462).

It can be divided in two parts, 1224 and 3241, that added together give a triangular number (4465 = T₉₄).

The spelling of 12243241 in words is "twelve million, two hundred forty-three thousand, two hundred forty-one".