1316856 has 16 divisors (see below), whose sum is σ = 3292200. Its totient is φ = 438944.

The previous prime is 1316831. The next prime is 1316869. The reversal of 1316856 is 6586131.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

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, 27411 + ... + 27458.

2^1316856 is an apocalyptic number.

It is an amenable number.

1316856 is an abundant number, since it is smaller than the sum of its proper divisors (1975344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1316856 is a wasteful number, since it uses less digits than its factorization.

1316856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54878 (or 54874 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The square root of 1316856 is about 1147.5434632292. The cubic root of 1316856 is about 109.6089697314.

The spelling of 1316856 in words is "one million, three hundred sixteen thousand, eight hundred fifty-six".