11320140 has 96 divisors (see below), whose sum is σ = 35675136. Its totient is φ = 2661120.

The previous prime is 11320129. The next prime is 11320151. The reversal of 11320140 is 4102311.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11320129) and next prime (11320151).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17625 + ... + 18255.

It is an arithmetic number, because the mean of its divisors is an integer number (371616).

Almost surely, 2^11320140 is an apocalyptic number.

11320140 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 11320140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17837568).

11320140 is an abundant number, since it is smaller than the sum of its proper divisors (24354996).

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

11320140 is a wasteful number, since it uses less digits than its factorization.

11320140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679 (or 677 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 11320140 is about 3364.5415735283. The cubic root of 11320140 is about 224.5349406515.

Adding to 11320140 its reverse (4102311), we get a palindrome (15422451).

The spelling of 11320140 in words is "eleven million, three hundred twenty thousand, one hundred forty".