12803243 has 2 divisors, whose sum is σ = 12803244. Its totient is φ = 12803242.

The previous prime is 12803237. The next prime is 12803281. The reversal of 12803243 is 34230821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12803243 - 2⁶ = 12803179 is a prime.

It is not a weakly prime, because it can be changed into another prime (12803213) 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, 6401621 + 6401622.

It is an arithmetic number, because the mean of its divisors is an integer number (6401622).

Almost surely, 2^12803243 is an apocalyptic number.

12803243 is a deficient number, since it is larger than the sum of its proper divisors (1).

12803243 is an equidigital number, since it uses as much as digits as its factorization.

12803243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 12803243 is about 3578.1619583244. The cubic root of 12803243 is about 233.9411727837.

The spelling of 12803243 in words is "twelve million, eight hundred three thousand, two hundred forty-three".