1316884 has 12 divisors (see below), whose sum is σ = 2313108. Its totient is φ = 656000.

The previous prime is 1316881. The next prime is 1316899. The reversal of 1316884 is 4886131.

It can be written as a sum of positive squares in 2 ways, for example, as 944784 + 372100 = 972^2 + 610^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1194 + ... + 2014.

It is an arithmetic number, because the mean of its divisors is an integer number (192759).

2^1316884 is an apocalyptic number.

It is an amenable number.

1316884 is a deficient number, since it is larger than the sum of its proper divisors (996224).

1316884 is a wasteful number, since it uses less digits than its factorization.

1316884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226 (or 1224 counting only the distinct ones).

The product of its digits is 4608, while the sum is 31.

The square root of 1316884 is about 1147.5556631380. Note that the first 3 decimals coincide. The cubic root of 1316884 is about 109.6097465891.

The spelling of 1316884 in words is "one million, three hundred sixteen thousand, eight hundred eighty-four".