1283797 has 2 divisors, whose sum is σ = 1283798. Its totient is φ = 1283796.

The previous prime is 1283771. The next prime is 1283831. The reversal of 1283797 is 7973821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1153476 + 130321 = 1074^2 + 361^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1283797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1283707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641898 + 641899.

It is an arithmetic number, because the mean of its divisors is an integer number (641899).

2^1283797 is an apocalyptic number.

It is an amenable number.

1283797 is a deficient number, since it is larger than the sum of its proper divisors (1).

1283797 is an equidigital number, since it uses as much as digits as its factorization.

1283797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21168, while the sum is 37.

The square root of 1283797 is about 1133.0476600744. The cubic root of 1283797 is about 108.6839595515.

It can be divided in two parts, 1283 and 797, that added together give a triangular number (2080 = T₆₄).

The spelling of 1283797 in words is "one million, two hundred eighty-three thousand, seven hundred ninety-seven".