1330205 has 16 divisors (see below), whose sum is σ = 1710720. Its totient is φ = 990528.

The previous prime is 1330177. The next prime is 1330207. The reversal of 1330205 is 5020331.

It is a cyclic number.

It is not a de Polignac number, because 1330205 - 2⁸ = 1329949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1330205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4811 + ... + 5079.

It is an arithmetic number, because the mean of its divisors is an integer number (106920).

2^1330205 is an apocalyptic number.

It is an amenable number.

1330205 is a deficient number, since it is larger than the sum of its proper divisors (380515).

1330205 is a wasteful number, since it uses less digits than its factorization.

1330205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340.

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 1330205 is about 1153.3451348144. The cubic root of 1330205 is about 109.9780948117.

Adding to 1330205 its reverse (5020331), we get a palindrome (6350536).

The spelling of 1330205 in words is "one million, three hundred thirty thousand, two hundred five".