12680243 has 2 divisors, whose sum is σ = 12680244. Its totient is φ = 12680242.

The previous prime is 12680207. The next prime is 12680251. The reversal of 12680243 is 34208621.

12680243 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 is a cyclic number.

It is not a de Polignac number, because 12680243 - 2⁶ = 12680179 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (12680263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6340121 + 6340122.

It is an arithmetic number, because the mean of its divisors is an integer number (6340122).

Almost surely, 2^12680243 is an apocalyptic number.

12680243 is a deficient number, since it is larger than the sum of its proper divisors (1).

12680243 is an equidigital number, since it uses as much as digits as its factorization.

12680243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 12680243 is about 3560.9328833888. The cubic root of 12680243 is about 233.1896078600.

Adding to 12680243 its reverse (34208621), we get a palindrome (46888864).

The spelling of 12680243 in words is "twelve million, six hundred eighty thousand, two hundred forty-three".