1283273 has 4 divisors (see below), whose sum is σ = 1287300. Its totient is φ = 1279248.

The previous prime is 1283237. The next prime is 1283297. The reversal of 1283273 is 3723821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3723821 = 739 ⋅5039.

It can be written as a sum of positive squares in 2 ways, for example, as 984064 + 299209 = 992^2 + 547^2 .

It is a cyclic number.

It is not a de Polignac number, because 1283273 - 2⁸ = 1283017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1283173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1490 + ... + 2187.

It is an arithmetic number, because the mean of its divisors is an integer number (321825).

2^1283273 is an apocalyptic number.

It is an amenable number.

1283273 is a deficient number, since it is larger than the sum of its proper divisors (4027).

1283273 is an equidigital number, since it uses as much as digits as its factorization.

1283273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4026.

The product of its digits is 2016, while the sum is 26.

The square root of 1283273 is about 1132.8164017174. The cubic root of 1283273 is about 108.6691705714.

The spelling of 1283273 in words is "one million, two hundred eighty-three thousand, two hundred seventy-three".