11320340 has 24 divisors (see below), whose sum is σ = 23987880. Its totient is φ = 4487168.

The previous prime is 11320339. The next prime is 11320343. The reversal of 11320340 is 4302311.

It can be written as a sum of positive squares in 4 ways, for example, as 3844 + 11316496 = 62^2 + 3364^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11320343) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 245 + ... + 4764.

It is an arithmetic number, because the mean of its divisors is an integer number (999495).

Almost surely, 2^11320340 is an apocalyptic number.

11320340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11320340 is an abundant number, since it is smaller than the sum of its proper divisors (12667540).

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

11320340 is a wasteful number, since it uses less digits than its factorization.

11320340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5131 (or 5129 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 11320340 is about 3364.5712951281. The cubic root of 11320340 is about 224.5362629769.

Adding to 11320340 its reverse (4302311), we get a palindrome (15622651).

The spelling of 11320340 in words is "eleven million, three hundred twenty thousand, three hundred forty".