1316894 has 4 divisors (see below), whose sum is σ = 1975344. Its totient is φ = 658446.

The previous prime is 1316881. The next prime is 1316899. The reversal of 1316894 is 4986131.

Added to its reverse (4986131) it gives a triangular number (6303025 = T₃₅₅₀).

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1316894.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 329222 + ... + 329225.

It is an arithmetic number, because the mean of its divisors is an integer number (493836).

2^1316894 is an apocalyptic number.

1316894 is a deficient number, since it is larger than the sum of its proper divisors (658450).

1316894 is an equidigital number, since it uses as much as digits as its factorization.

1316894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658449.

The product of its digits is 5184, while the sum is 32.

The square root of 1316894 is about 1147.5600202168. The cubic root of 1316894 is about 109.6100240357.

Adding to 1316894 its reverse (4986131), we get a triangular number (6303025 = T₃₅₅₀).

The spelling of 1316894 in words is "one million, three hundred sixteen thousand, eight hundred ninety-four".