1340316 has 36 divisors (see below), whose sum is σ = 3500224. Its totient is φ = 432000.

The previous prime is 1340291. The next prime is 1340321. The reversal of 1340316 is 6130431.

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

It is a Smith number, since the sum of its digits (18) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 6.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 516 + ... + 1716.

2^1340316 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 1340316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1750112).

1340316 is an abundant number, since it is smaller than the sum of its proper divisors (2159908).

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

1340316 is a wasteful number, since it uses less digits than its factorization.

1340316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242 (or 1237 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1340316 is about 1157.7201734443. The cubic root of 1340316 is about 110.2560426756.

Adding to 1340316 its reverse (6130431), we get a palindrome (7470747).

The spelling of 1340316 in words is "one million, three hundred forty thousand, three hundred sixteen".