1317384 has 80 divisors (see below), whose sum is σ = 3920400. Its totient is φ = 412128.

The previous prime is 1317377. The next prime is 1317397. The reversal of 1317384 is 4837131.

1317384 = 75³ + 76³ + 77³.

It is a Harshad number since it is a multiple of its sum of digits (27).

Its product of digits (2016) is a multiple of the sum of its prime factors (144).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12259 + ... + 12365.

It is an arithmetic number, because the mean of its divisors is an integer number (49005).

2^1317384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1317384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1960200).

1317384 is an abundant number, since it is smaller than the sum of its proper divisors (2603016).

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

1317384 is a wasteful number, since it uses less digits than its factorization.

1317384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 131 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 1317384 is about 1147.7734968189. The cubic root of 1317384 is about 109.6236171954.

The spelling of 1317384 in words is "one million, three hundred seventeen thousand, three hundred eighty-four".