11317856 has 72 divisors (see below), whose sum is σ = 25472160. Its totient is φ = 4942080.

The previous prime is 11317853. The next prime is 11317877. The reversal of 11317856 is 65871311.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11317853) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143225 + ... + 143303.

It is an arithmetic number, because the mean of its divisors is an integer number (353780).

Almost surely, 2^11317856 is an apocalyptic number.

11317856 is a gapful number since it is divisible by the number (16) 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 11317856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12736080).

11317856 is an abundant number, since it is smaller than the sum of its proper divisors (14154304).

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

11317856 is a wasteful number, since it uses less digits than its factorization.

11317856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148 (or 129 counting only the distinct ones).

The product of its digits is 5040, while the sum is 32.

The square root of 11317856 is about 3364.2021342363. The cubic root of 11317856 is about 224.5198385916.

The spelling of 11317856 in words is "eleven million, three hundred seventeen thousand, eight hundred fifty-six".