1318342 has 4 divisors (see below), whose sum is σ = 1977516. Its totient is φ = 659170.

The previous prime is 1318313. The next prime is 1318349. The reversal of 1318342 is 2438131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2438131 = 941 ⋅2591.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 329584 + ... + 329587.

It is an arithmetic number, because the mean of its divisors is an integer number (494379).

2^1318342 is an apocalyptic number.

1318342 is a deficient number, since it is larger than the sum of its proper divisors (659174).

1318342 is an equidigital number, since it uses as much as digits as its factorization.

1318342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659173.

The product of its digits is 576, while the sum is 22.

The square root of 1318342 is about 1148.1907507030. The cubic root of 1318342 is about 109.6501834760.

It can be divided in two parts, 13183 and 42, that added together give a square (13225 = 115²).

The spelling of 1318342 in words is "one million, three hundred eighteen thousand, three hundred forty-two".