1318343 has 4 divisors (see below), whose sum is σ = 1419768. Its totient is φ = 1216920.

The previous prime is 1318313. The next prime is 1318349. The reversal of 1318343 is 3438131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3438131 = 17 ⋅202243.

It is a cyclic number.

It is not a de Polignac number, because 1318343 - 2⁶ = 1318279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1318349) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 50693 + ... + 50718.

It is an arithmetic number, because the mean of its divisors is an integer number (354942).

2^1318343 is an apocalyptic number.

1318343 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1318343 is a deficient number, since it is larger than the sum of its proper divisors (101425).

1318343 is a wasteful number, since it uses less digits than its factorization.

1318343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101424.

The product of its digits is 864, while the sum is 23.

The square root of 1318343 is about 1148.1911861707. The cubic root of 1318343 is about 109.6502112003.

It can be divided in two parts, 1318 and 343, that added together give a palindrome (1661).

The spelling of 1318343 in words is "one million, three hundred eighteen thousand, three hundred forty-three".