1330806 has 16 divisors (see below), whose sum is σ = 2674224. Its totient is φ = 441504.

The previous prime is 1330789. The next prime is 1330831. The reversal of 1330806 is 6080331.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1380 + ... + 2136.

It is an arithmetic number, because the mean of its divisors is an integer number (167139).

2^1330806 is an apocalyptic number.

1330806 is an abundant number, since it is smaller than the sum of its proper divisors (1343418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1330806 is a wasteful number, since it uses less digits than its factorization.

1330806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1330806 is about 1153.6056518586. The cubic root of 1330806 is about 109.9946553877.

The spelling of 1330806 in words is "one million, three hundred thirty thousand, eight hundred six".