12842783 has 2 divisors, whose sum is σ = 12842784. Its totient is φ = 12842782.

The previous prime is 12842779. The next prime is 12842807. The reversal of 12842783 is 38724821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12842783 - 2² = 12842779 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12842083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6421391 + 6421392.

It is an arithmetic number, because the mean of its divisors is an integer number (6421392).

Almost surely, 2^12842783 is an apocalyptic number.

12842783 is a deficient number, since it is larger than the sum of its proper divisors (1).

12842783 is an equidigital number, since it uses as much as digits as its factorization.

12842783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21504, while the sum is 35.

The square root of 12842783 is about 3583.6828821758. The cubic root of 12842783 is about 234.1817505822.

The spelling of 12842783 in words is "twelve million, eight hundred forty-two thousand, seven hundred eighty-three".