11248720 has 80 divisors (see below), whose sum is σ = 30533760. Its totient is φ = 3773952.

The previous prime is 11248717. The next prime is 11248729. The reversal of 11248720 is 2784211.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11248729) 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, 29491 + ... + 29869.

It is an arithmetic number, because the mean of its divisors is an integer number (381672).

Almost surely, 2^11248720 is an apocalyptic number.

11248720 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 11248720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15266880).

11248720 is an abundant number, since it is smaller than the sum of its proper divisors (19285040).

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

11248720 is a wasteful number, since it uses less digits than its factorization.

11248720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452 (or 446 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 11248720 is about 3353.9111496878. The cubic root of 11248720 is about 224.0617389343.

The spelling of 11248720 in words is "eleven million, two hundred forty-eight thousand, seven hundred twenty".