1283265 has 12 divisors (see below), whose sum is σ = 2224404. Its totient is φ = 684384.

The previous prime is 1283237. The next prime is 1283297. The reversal of 1283265 is 5623821.

It can be written as a sum of positive squares in 2 ways, for example, as 815409 + 467856 = 903^2 + 684^2 .

It is not a de Polignac number, because 1283265 - 2⁷ = 1283137 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14214 + ... + 14303.

It is an arithmetic number, because the mean of its divisors is an integer number (185367).

2^1283265 is an apocalyptic number.

1283265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1283265 is a deficient number, since it is larger than the sum of its proper divisors (941139).

1283265 is a wasteful number, since it uses less digits than its factorization.

1283265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28528 (or 28525 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 1283265 is about 1132.8128706896. The cubic root of 1283265 is about 108.6689447542.

The spelling of 1283265 in words is "one million, two hundred eighty-three thousand, two hundred sixty-five".