1316812 has 24 divisors (see below), whose sum is σ = 2661120. Its totient is φ = 558480.

The previous prime is 1316801. The next prime is 1316813. The reversal of 1316812 is 2186131.

It is not an unprimeable number, because it can be changed into a prime (1316813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3489 + ... + 3847.

It is an arithmetic number, because the mean of its divisors is an integer number (110880).

2^1316812 is an apocalyptic number.

It is an amenable number.

1316812 is an abundant number, since it is smaller than the sum of its proper divisors (1344308).

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

1316812 is a wasteful number, since it uses less digits than its factorization.

1316812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501 (or 499 counting only the distinct ones).

The product of its digits is 288, while the sum is 22.

The square root of 1316812 is about 1147.5242916819. The cubic root of 1316812 is about 109.6077489326.

It can be divided in two parts, 131681 and 2, that multiplied together give a palindrome (263362).

The spelling of 1316812 in words is "one million, three hundred sixteen thousand, eight hundred twelve".