11249856 has 42 divisors (see below), whose sum is σ = 32247332. Its totient is φ = 3749760.

The previous prime is 11249851. The next prime is 11249891. The reversal of 11249856 is 65894211.

11249856 is a `hidden beast` number, since 112 + 498 + 56 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 11249856.

It is not an unprimeable number, because it can be changed into a prime (11249851) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9190 + ... + 10341.

Almost surely, 2^11249856 is an apocalyptic number.

11249856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11249856 is an abundant number, since it is smaller than the sum of its proper divisors (20997476).

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

11249856 is a wasteful number, since it uses less digits than its factorization.

11249856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19549 (or 19536 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 11249856 is about 3354.0804999284. The cubic root of 11249856 is about 224.0692812908.

The spelling of 11249856 in words is "eleven million, two hundred forty-nine thousand, eight hundred fifty-six".