11297888 has 48 divisors (see below), whose sum is σ = 26256384. Its totient is φ = 4682880.

The previous prime is 11297879. The next prime is 11297893. The reversal of 11297888 is 88879211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6131 + ... + 7757.

It is an arithmetic number, because the mean of its divisors is an integer number (547008).

Almost surely, 2^11297888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11297888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13128192).

11297888 is an abundant number, since it is smaller than the sum of its proper divisors (14958496).

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

11297888 is a wasteful number, since it uses less digits than its factorization.

11297888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1675 (or 1667 counting only the distinct ones).

The product of its digits is 64512, while the sum is 44.

The square root of 11297888 is about 3361.2331070606. The cubic root of 11297888 is about 224.3877213634.

The spelling of 11297888 in words is "eleven million, two hundred ninety-seven thousand, eight hundred eighty-eight".