12683443 has 2 divisors, whose sum is σ = 12683444. Its totient is φ = 12683442.

The previous prime is 12683423. The next prime is 12683453. The reversal of 12683443 is 34438621.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12683443 is a prime.

It is not a weakly prime, because it can be changed into another prime (12683413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6341721 + 6341722.

It is an arithmetic number, because the mean of its divisors is an integer number (6341722).

Almost surely, 2^12683443 is an apocalyptic number.

12683443 is a deficient number, since it is larger than the sum of its proper divisors (1).

12683443 is an equidigital number, since it uses as much as digits as its factorization.

12683443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 31.

The square root of 12683443 is about 3561.3821755043. The cubic root of 12683443 is about 233.2092222050.

The spelling of 12683443 in words is "twelve million, six hundred eighty-three thousand, four hundred forty-three".