1196665 has 4 divisors (see below), whose sum is σ = 1436004. Its totient is φ = 957328.

The previous prime is 1196653. The next prime is 1196683. The reversal of 1196665 is 5666911.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 589824 + 606841 = 768^2 + 779^2 .

It is a cyclic number.

It is not a de Polignac number, because 1196665 - 2⁵ = 1196633 is a prime.

It is an Ulam number.

It is a Duffinian number.

1196665 is a lucky number.

It is a plaindrome in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 1196665.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119662 + ... + 119671.

It is an arithmetic number, because the mean of its divisors is an integer number (359001).

2^1196665 is an apocalyptic number.

It is an amenable number.

1196665 is a deficient number, since it is larger than the sum of its proper divisors (239339).

1196665 is an equidigital number, since it uses as much as digits as its factorization.

1196665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239338.

The product of its digits is 9720, while the sum is 34.

The square root of 1196665 is about 1093.9218436433. The cubic root of 1196665 is about 106.1673220711.

The spelling of 1196665 in words is "one million, one hundred ninety-six thousand, six hundred sixty-five".