1318534 has 16 divisors (see below), whose sum is σ = 2304288. Its totient is φ = 554112.

The previous prime is 1318517. The next prime is 1318549. The reversal of 1318534 is 4358131.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1318499 and 1318508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147 + ... + 1630.

It is an arithmetic number, because the mean of its divisors is an integer number (144018).

2^1318534 is an apocalyptic number.

1318534 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1318534 is a deficient number, since it is larger than the sum of its proper divisors (985754).

1318534 is a wasteful number, since it uses less digits than its factorization.

1318534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1839.

The product of its digits is 1440, while the sum is 25.

The square root of 1318534 is about 1148.2743574599. The cubic root of 1318534 is about 109.6555062762.

The spelling of 1318534 in words is "one million, three hundred eighteen thousand, five hundred thirty-four".