1320862 has 16 divisors (see below), whose sum is σ = 2051280. Its totient is φ = 637632.

The previous prime is 1320859. The next prime is 1320871. The reversal of 1320862 is 2680231.

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, 12064 + ... + 12172.

It is an arithmetic number, because the mean of its divisors is an integer number (128205).

2^1320862 is an apocalyptic number.

1320862 is a deficient number, since it is larger than the sum of its proper divisors (730418).

1320862 is a wasteful number, since it uses less digits than its factorization.

1320862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1320862 is about 1149.2876054322. The cubic root of 1320862 is about 109.7200041520.

The spelling of 1320862 in words is "one million, three hundred twenty thousand, eight hundred sixty-two".