1318218 has 16 divisors (see below), whose sum is σ = 2876256. Its totient is φ = 399440.

The previous prime is 1318211. The next prime is 1318241. The reversal of 1318218 is 8128131.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1318211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9921 + ... + 10052.

It is an arithmetic number, because the mean of its divisors is an integer number (179766).

2^1318218 is an apocalyptic number.

1318218 is an abundant number, since it is smaller than the sum of its proper divisors (1558038).

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

1318218 is a wasteful number, since it uses less digits than its factorization.

1318218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19989.

The product of its digits is 384, while the sum is 24.

The square root of 1318218 is about 1148.1367514369. The cubic root of 1318218 is about 109.6467455595.

The spelling of 1318218 in words is "one million, three hundred eighteen thousand, two hundred eighteen".