1282783 has 2 divisors, whose sum is σ = 1282784. Its totient is φ = 1282782.

The previous prime is 1282781. The next prime is 1282807. The reversal of 1282783 is 3872821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1282783 - 2¹ = 1282781 is a prime.

Together with 1282781, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1282781) 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, 641391 + 641392.

It is an arithmetic number, because the mean of its divisors is an integer number (641392).

2^1282783 is an apocalyptic number.

1282783 is a deficient number, since it is larger than the sum of its proper divisors (1).

1282783 is an equidigital number, since it uses as much as digits as its factorization.

1282783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5376, while the sum is 31.

The square root of 1282783 is about 1132.6001059509. The cubic root of 1282783 is about 108.6553375386.

The spelling of 1282783 in words is "one million, two hundred eighty-two thousand, seven hundred eighty-three".