11247808 has 56 divisors (see below), whose sum is σ = 26243280. Its totient is φ = 4715520.

The previous prime is 11247787. The next prime is 11247809. The reversal of 11247808 is 80874211.

It is a self number, because there is not a number n which added to its sum of digits gives 11247808.

It is not an unprimeable number, because it can be changed into a prime (11247809) 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, 8538 + ... + 9766.

It is an arithmetic number, because the mean of its divisors is an integer number (468630).

Almost surely, 2^11247808 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 11247808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13121640).

11247808 is an abundant number, since it is smaller than the sum of its proper divisors (14995472).

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

11247808 is a wasteful number, since it uses less digits than its factorization.

11247808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265 (or 1255 counting only the distinct ones).

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

The square root of 11247808 is about 3353.7751862640. The cubic root of 11247808 is about 224.0556834356.

The spelling of 11247808 in words is "eleven million, two hundred forty-seven thousand, eight hundred eight".