11318340 has 72 divisors (see below), whose sum is σ = 34856640. Its totient is φ = 2742080.

The previous prime is 11318327. The next prime is 11318341. The reversal of 11318340 is 4381311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11318341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6481 + ... + 8039.

It is an arithmetic number, because the mean of its divisors is an integer number (484120).

Almost surely, 2^11318340 is an apocalyptic number.

11318340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11318340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17428320).

11318340 is an abundant number, since it is smaller than the sum of its proper divisors (23538300).

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

11318340 is a wasteful number, since it uses less digits than its factorization.

11318340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1593 (or 1580 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 11318340 is about 3364.2740673138. The cubic root of 11318340 is about 224.5230390226.

Adding to 11318340 its reverse (4381311), we get a palindrome (15699651).

The spelling of 11318340 in words is "eleven million, three hundred eighteen thousand, three hundred forty".