12455243 has 2 divisors, whose sum is σ = 12455244. Its totient is φ = 12455242.

The previous prime is 12455231. The next prime is 12455257. The reversal of 12455243 is 34255421.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12455243 - 2⁴ = 12455227 is a prime.

It is not a weakly prime, because it can be changed into another prime (12455293) 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 as a sum of consecutive naturals, namely, 6227621 + 6227622.

It is an arithmetic number, because the mean of its divisors is an integer number (6227622).

Almost surely, 2^12455243 is an apocalyptic number.

12455243 is a deficient number, since it is larger than the sum of its proper divisors (1).

12455243 is an equidigital number, since it uses as much as digits as its factorization.

12455243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4800, while the sum is 26.

The square root of 12455243 is about 3529.1986342511. The cubic root of 12455243 is about 231.8021189714.

The spelling of 12455243 in words is "twelve million, four hundred fifty-five thousand, two hundred forty-three".