1327705 has 4 divisors (see below), whose sum is σ = 1593252. Its totient is φ = 1062160.

The previous prime is 1327679. The next prime is 1327709. The reversal of 1327705 is 5077231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5077231 = 181 ⋅28051.

It can be written as a sum of positive squares in 2 ways, for example, as 589824 + 737881 = 768^2 + 859^2 .

It is not a de Polignac number, because 1327705 - 2⁵ = 1327673 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1327705.

It is not an unprimeable number, because it can be changed into a prime (1327709) 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, 132766 + ... + 132775.

It is an arithmetic number, because the mean of its divisors is an integer number (398313).

2^1327705 is an apocalyptic number.

It is an amenable number.

1327705 is a deficient number, since it is larger than the sum of its proper divisors (265547).

1327705 is an equidigital number, since it uses as much as digits as its factorization.

1327705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265546.

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 1327705 is about 1152.2608211685. The cubic root of 1327705 is about 109.9091536430.

The spelling of 1327705 in words is "one million, three hundred twenty-seven thousand, seven hundred five".