11247880 has 96 divisors (see below), whose sum is σ = 30945600. Its totient is φ = 3603456.

The previous prime is 11247877. The next prime is 11247881. The reversal of 11247880 is 8874211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11247881) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80851 + ... + 80989.

It is an arithmetic number, because the mean of its divisors is an integer number (322350).

Almost surely, 2^11247880 is an apocalyptic number.

11247880 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 11247880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15472800).

11247880 is an abundant number, since it is smaller than the sum of its proper divisors (19697720).

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

11247880 is a wasteful number, since it uses less digits than its factorization.

11247880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 31.

The square root of 11247880 is about 3353.7859204189. The cubic root of 11247880 is about 224.0561615132.

The spelling of 11247880 in words is "eleven million, two hundred forty-seven thousand, eight hundred eighty".