1300705 has 12 divisors (see below), whose sum is σ = 1816020. Its totient is φ = 891744.

The previous prime is 1300681. The next prime is 1300709. The reversal of 1300705 is 5070031.

It can be written as a sum of positive squares in 2 ways, for example, as 153664 + 1147041 = 392^2 + 1071^2 .

It is not a de Polignac number, because 1300705 - 2⁹ = 1300193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1300709) 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 in 11 ways as a sum of consecutive naturals, for example, 2410 + ... + 2899.

It is an arithmetic number, because the mean of its divisors is an integer number (151335).

2^1300705 is an apocalyptic number.

It is an amenable number.

1300705 is a deficient number, since it is larger than the sum of its proper divisors (515315).

1300705 is an equidigital number, since it uses as much as digits as its factorization.

1300705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5328 (or 5321 counting only the distinct ones).

The product of its (nonzero) digits is 105, while the sum is 16.

The square root of 1300705 is about 1140.4845461469. The cubic root of 1300705 is about 109.1590137660.

Adding to 1300705 its reverse (5070031), we get a palindrome (6370736).

The spelling of 1300705 in words is "one million, three hundred thousand, seven hundred five".