11238500 has 144 divisors (see below), whose sum is σ = 31973760. Its totient is φ = 3369600.

The previous prime is 11238463. The next prime is 11238503. The reversal of 11238500 is 583211.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (11238503) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 591491 + ... + 591509.

It is an arithmetic number, because the mean of its divisors is an integer number (222040).

Almost surely, 2^11238500 is an apocalyptic number.

11238500 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 11238500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15986880).

11238500 is an abundant number, since it is smaller than the sum of its proper divisors (20735260).

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

11238500 is a wasteful number, since it uses less digits than its factorization.

11238500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71 (or 46 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 11238500 is about 3352.3872091392. The cubic root of 11238500 is about 223.9938614389.

The spelling of 11238500 in words is "eleven million, two hundred thirty-eight thousand, five hundred".