11383540 has 48 divisors (see below), whose sum is σ = 28933632. Its totient is φ = 3672576.

The previous prime is 11383529. The next prime is 11383553. The reversal of 11383540 is 4538311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12 + ... + 4771.

It is an arithmetic number, because the mean of its divisors is an integer number (602784).

Almost surely, 2^11383540 is an apocalyptic number.

11383540 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 11383540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14466816).

11383540 is an abundant number, since it is smaller than the sum of its proper divisors (17550092).

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

11383540 is a wasteful number, since it uses less digits than its factorization.

11383540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4816 (or 4814 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 11383540 is about 3373.9502071015. The cubic root of 11383540 is about 224.9533401187.

The spelling of 11383540 in words is "eleven million, three hundred eighty-three thousand, five hundred forty".