11583138 has 32 divisors (see below), whose sum is σ = 26818560. Its totient is φ = 3266640.

The previous prime is 11583127. The next prime is 11583139. The reversal of 11583138 is 83138511.

11583138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11583139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1573 + ... + 5063.

It is an arithmetic number, because the mean of its divisors is an integer number (838080).

Almost surely, 2^11583138 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11583138, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13409280).

11583138 is an abundant number, since it is smaller than the sum of its proper divisors (15235422).

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

11583138 is a wasteful number, since it uses less digits than its factorization.

11583138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3582.

The product of its digits is 2880, while the sum is 30.

The square root of 11583138 is about 3403.4009461126. The cubic root of 11583138 is about 226.2605005149.

The spelling of 11583138 in words is "eleven million, five hundred eighty-three thousand, one hundred thirty-eight".