1316855 has 8 divisors (see below), whose sum is σ = 1596192. Its totient is φ = 1042848.

The previous prime is 1316831. The next prime is 1316869. The reversal of 1316855 is 5586131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1316855 - 2¹⁴ = 1300471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 764 + ... + 1793.

It is an arithmetic number, because the mean of its divisors is an integer number (199524).

2^1316855 is an apocalyptic number.

1316855 is a deficient number, since it is larger than the sum of its proper divisors (279337).

1316855 is a wasteful number, since it uses less digits than its factorization.

1316855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2665.

The product of its digits is 3600, while the sum is 29.

The square root of 1316855 is about 1147.5430275157. The cubic root of 1316855 is about 109.6089419863.

The spelling of 1316855 in words is "one million, three hundred sixteen thousand, eight hundred fifty-five".