1313316 has 27 divisors (see below), whose sum is σ = 3337243.
Its totient is φ = 435480.
The previous prime is 1313311. The next prime is 1313317. The reversal of 1313316 is 6133131.
1313316 = T8 + T9 + ... +
The square root of 1313316 is 1146.
It is a perfect power (a square), and thus also a powerful number.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a nude number because it is divisible by every one of its digits.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1313311) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6781 + ... + 6971.
21313316 is an apocalyptic number.
1313316 is the 1146-th square number.
It is an amenable number.
1313316 is an abundant number, since it is smaller than the sum of its proper divisors (2023927).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1313316 is a wasteful number, since it uses less digits than its factorization.
1313316 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 392 (or 196 counting only the distinct ones).
The product of its digits is 162, while the sum is 18.
The cubic root of 1313316 is about 109.5106638767.
Adding to 1313316 its reverse (6133131), we get a palindrome (7446447).
The spelling of 1313316 in words is "one million, three hundred thirteen thousand, three hundred sixteen".