1282993 has 2 divisors, whose sum is σ = 1282994. Its totient is φ = 1282992.

The previous prime is 1282969. The next prime is 1283011. The reversal of 1282993 is 3992821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1272384 + 10609 = 1128^2 + 103^2 .

It is a cyclic number.

It is not a de Polignac number, because 1282993 - 2⁵ = 1282961 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1282903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641496 + 641497.

It is an arithmetic number, because the mean of its divisors is an integer number (641497).

2^1282993 is an apocalyptic number.

It is an amenable number.

1282993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1282993 is an equidigital number, since it uses as much as digits as its factorization.

1282993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 34.

The square root of 1282993 is about 1132.6928091941. The cubic root of 1282993 is about 108.6612664125.

The spelling of 1282993 in words is "one million, two hundred eighty-two thousand, nine hundred ninety-three".