11236720 has 60 divisors (see below), whose sum is σ = 28754856. Its totient is φ = 4049920.

The previous prime is 11236697. The next prime is 11236751. The reversal of 11236720 is 2763211.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 11236691 and 11236700.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 99384 + ... + 99496.

Almost surely, 2^11236720 is an apocalyptic number.

11236720 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 11236720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14377428).

11236720 is an abundant number, since it is smaller than the sum of its proper divisors (17518136).

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

11236720 is a wasteful number, since it uses less digits than its factorization.

11236720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 11236720 is about 3352.1217161672. The cubic root of 11236720 is about 223.9820351239.

Adding to 11236720 its reverse (2763211), we get a palindrome (13999931).

The spelling of 11236720 in words is "eleven million, two hundred thirty-six thousand, seven hundred twenty".