12734243 has 2 divisors, whose sum is σ = 12734244. Its totient is φ = 12734242.

The previous prime is 12734233. The next prime is 12734261. The reversal of 12734243 is 34243721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12734243 - 2¹⁸ = 12472099 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12734233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6367121 + 6367122.

It is an arithmetic number, because the mean of its divisors is an integer number (6367122).

Almost surely, 2^12734243 is an apocalyptic number.

12734243 is a deficient number, since it is larger than the sum of its proper divisors (1).

12734243 is an equidigital number, since it uses as much as digits as its factorization.

12734243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 26.

The square root of 12734243 is about 3568.5071108238. The cubic root of 12734243 is about 233.5201589890.

Adding to 12734243 its reverse (34243721), we get a palindrome (46977964).

The spelling of 12734243 in words is "twelve million, seven hundred thirty-four thousand, two hundred forty-three".