1316916 has 36 divisors (see below), whose sum is σ = 3364452. Its totient is φ = 434304.

The previous prime is 1316899. The next prime is 1316921. The reversal of 1316916 is 6196131.

It can be written as a sum of positive squares in 2 ways, for example, as 324900 + 992016 = 570^2 + 996^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1316916.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5536 + ... + 5768.

It is an arithmetic number, because the mean of its divisors is an integer number (93457).

2^1316916 is an apocalyptic number.

It is an amenable number.

1316916 is an abundant number, since it is smaller than the sum of its proper divisors (2047536).

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

1316916 is a wasteful number, since it uses less digits than its factorization.

1316916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400 (or 395 counting only the distinct ones).

The product of its digits is 972, while the sum is 27.

The square root of 1316916 is about 1147.5696057320. The cubic root of 1316916 is about 109.6106344131.

The spelling of 1316916 in words is "one million, three hundred sixteen thousand, nine hundred sixteen".