11133740 has 12 divisors (see below), whose sum is σ = 23380896. Its totient is φ = 4453488.

The previous prime is 11133739. The next prime is 11133779. The reversal of 11133740 is 4733111.

It is a happy number.

11133740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 556687 = 11133740 / (1 + 1 + 1 + 3 + 3 + 7 + 4 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278324 + ... + 278363.

It is an arithmetic number, because the mean of its divisors is an integer number (1948408).

Almost surely, 2^11133740 is an apocalyptic number.

11133740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11133740 is an abundant number, since it is smaller than the sum of its proper divisors (12247156).

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

11133740 is a wasteful number, since it uses less digits than its factorization.

11133740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556696 (or 556694 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 11133740 is about 3336.7259401995. The cubic root of 11133740 is about 223.2956992104.

Adding to 11133740 its reverse (4733111), we get a palindrome (15866851).

The spelling of 11133740 in words is "eleven million, one hundred thirty-three thousand, seven hundred forty".