1320218 has 8 divisors (see below), whose sum is σ = 1995840. Its totient is φ = 654940.

The previous prime is 1320211. The next prime is 1320247. The reversal of 1320218 is 8120231.

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

It is a junction number, because it is equal to n+sod(n) for n = 1320196 and 1320205.

It is not an unprimeable number, because it can be changed into a prime (1320211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2258 + ... + 2781.

It is an arithmetic number, because the mean of its divisors is an integer number (249480).

2^1320218 is an apocalyptic number.

1320218 is a deficient number, since it is larger than the sum of its proper divisors (675622).

1320218 is a wasteful number, since it uses less digits than its factorization.

1320218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5172.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1320218 is about 1149.0073977133. The cubic root of 1320218 is about 109.7021695437.

Subtracting from 1320218 its sum of digits (17), we obtain a square (1320201 = 1149²).

Adding to 1320218 its reverse (8120231), we get a palindrome (9440449).

The spelling of 1320218 in words is "one million, three hundred twenty thousand, two hundred eighteen".