1330906 has 8 divisors (see below), whose sum is σ = 2019060. Its totient is φ = 657888.

The previous prime is 1330873. The next prime is 1330909. The reversal of 1330906 is 6090331.

It can be written as a sum of positive squares in 2 ways, for example, as 1311025 + 19881 = 1145^2 + 141^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1330909) 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 3 ways as a sum of consecutive naturals, for example, 3561 + ... + 3916.

2^1330906 is an apocalyptic number.

1330906 is a deficient number, since it is larger than the sum of its proper divisors (688154).

1330906 is an equidigital number, since it uses as much as digits as its factorization.

1330906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7568.

The product of its (nonzero) digits is 486, while the sum is 22.

The square root of 1330906 is about 1153.6489934118. The cubic root of 1330906 is about 109.9974104074.

The spelling of 1330906 in words is "one million, three hundred thirty thousand, nine hundred six".