1318806 has 24 divisors (see below), whose sum is σ = 2928744. Its totient is φ = 428640.

The previous prime is 1318789. The next prime is 1318829. The reversal of 1318806 is 6088131.

It is a self number, because there is not a number n which added to its sum of digits gives 1318806.

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 11 ways as a sum of consecutive naturals, for example, 156 + ... + 1631.

It is an arithmetic number, because the mean of its divisors is an integer number (122031).

2^1318806 is an apocalyptic number.

1318806 is an abundant number, since it is smaller than the sum of its proper divisors (1609938).

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

1318806 is a wasteful number, since it uses less digits than its factorization.

1318806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1836 (or 1833 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 1318806 is about 1148.3927899460. The cubic root of 1318806 is about 109.6630460254.

The spelling of 1318806 in words is "one million, three hundred eighteen thousand, eight hundred six".