1318355 has 16 divisors (see below), whose sum is σ = 1663200. Its totient is φ = 1002240.

The previous prime is 1318349. The next prime is 1318379. The reversal of 1318355 is 5538131.

It is not a de Polignac number, because 1318355 - 2⁸ = 1318099 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 12041 + ... + 12149.

It is an arithmetic number, because the mean of its divisors is an integer number (103950).

2^1318355 is an apocalyptic number.

1318355 is a deficient number, since it is larger than the sum of its proper divisors (344845).

1318355 is a wasteful number, since it uses less digits than its factorization.

1318355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214.

The product of its digits is 1800, while the sum is 26.

The square root of 1318355 is about 1148.1964117693. The cubic root of 1318355 is about 109.6505438903.

The spelling of 1318355 in words is "one million, three hundred eighteen thousand, three hundred fifty-five".