1283345 has 16 divisors (see below), whose sum is σ = 1809408. Its totient is φ = 855360.

The previous prime is 1283339. The next prime is 1283353. The reversal of 1283345 is 5433821.

It is not a de Polignac number, because 1283345 - 2¹² = 1279249 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 800 + ... + 1790.

It is an arithmetic number, because the mean of its divisors is an integer number (113088).

2^1283345 is an apocalyptic number.

It is an amenable number.

1283345 is a deficient number, since it is larger than the sum of its proper divisors (526063).

1283345 is an equidigital number, since it uses as much as digits as its factorization.

1283345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040.

The product of its digits is 2880, while the sum is 26.

The square root of 1283345 is about 1132.8481804726. The cubic root of 1283345 is about 108.6712028836.

The spelling of 1283345 in words is "one million, two hundred eighty-three thousand, three hundred forty-five".