1316804 has 6 divisors (see below), whose sum is σ = 2304414. Its totient is φ = 658400.

The previous prime is 1316801. The next prime is 1316813. The reversal of 1316804 is 4086131.

It can be written as a sum of positive squares in only one way, i.e., 1214404 + 102400 = 1102^2 + 320^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1316804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164597 + ... + 164604.

It is an arithmetic number, because the mean of its divisors is an integer number (384069).

2^1316804 is an apocalyptic number.

It is an amenable number.

1316804 is a deficient number, since it is larger than the sum of its proper divisors (987610).

1316804 is a wasteful number, since it uses less digits than its factorization.

1316804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329205 (or 329203 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 1316804 is about 1147.5208059116. The cubic root of 1316804 is about 109.6075269663.

The spelling of 1316804 in words is "one million, three hundred sixteen thousand, eight hundred four".