11206720 has 56 divisors (see below), whose sum is σ = 30504384. Its totient is φ = 3841536.

The previous prime is 11206697. The next prime is 11206721. The reversal of 11206720 is 2760211.

It is a tau number, because it is divible by the number of its divisors (56).

It is not an unprimeable number, because it can be changed into a prime (11206721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262 + ... + 4741.

Almost surely, 2^11206720 is an apocalyptic number.

11206720 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 11206720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15252192).

11206720 is an abundant number, since it is smaller than the sum of its proper divisors (19297664).

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

11206720 is an equidigital number, since it uses as much as digits as its factorization.

11206720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5027 (or 5017 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 11206720 is about 3347.6439476145. The cubic root of 11206720 is about 223.7825270274.

Adding to 11206720 its reverse (2760211), we get a palindrome (13966931).

The spelling of 11206720 in words is "eleven million, two hundred six thousand, seven hundred twenty".