1318564 has 12 divisors (see below), whose sum is σ = 2485084. Its totient is φ = 608544.

The previous prime is 1318553. The next prime is 1318579. The reversal of 1318564 is 4658131.

It can be written as a sum of positive squares in 2 ways, for example, as 302500 + 1016064 = 550^2 + 1008^2 .

It is a super-2 number, since 2×1318564² = 3477222044192, which contains 22 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12627 + ... + 12730.

2^1318564 is an apocalyptic number.

It is an amenable number.

1318564 is a deficient number, since it is larger than the sum of its proper divisors (1166520).

1318564 is a wasteful number, since it uses less digits than its factorization.

1318564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25374 (or 25372 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 1318564 is about 1148.2874204658. The cubic root of 1318564 is about 109.6563379171.

The spelling of 1318564 in words is "one million, three hundred eighteen thousand, five hundred sixty-four".