1320766 has 8 divisors (see below), whose sum is σ = 2085480. Its totient is φ = 625608.

The previous prime is 1320751. The next prime is 1320773. The reversal of 1320766 is 6670231.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1320766.

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 3 ways as a sum of consecutive naturals, for example, 17341 + ... + 17416.

It is an arithmetic number, because the mean of its divisors is an integer number (260685).

2^1320766 is an apocalyptic number.

1320766 is a deficient number, since it is larger than the sum of its proper divisors (764714).

1320766 is a wasteful number, since it uses less digits than its factorization.

1320766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34778.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 1320766 is about 1149.2458396705. The cubic root of 1320766 is about 109.7173459446.

Adding to 1320766 its reverse (6670231), we get a palindrome (7990997).

The spelling of 1320766 in words is "one million, three hundred twenty thousand, seven hundred sixty-six".