11471768 has 48 divisors (see below), whose sum is σ = 27036240. Its totient is φ = 4466880.

The previous prime is 11471749. The next prime is 11471771. The reversal of 11471768 is 86717411.

11471768 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 3387²-1.

It is a super-2 number, since 2×11471768² = 263202922091648, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5930 + ... + 7622.

It is an arithmetic number, because the mean of its divisors is an integer number (563255).

Almost surely, 2^11471768 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 11471768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13518120).

11471768 is an abundant number, since it is smaller than the sum of its proper divisors (15564472).

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

11471768 is a wasteful number, since it uses less digits than its factorization.

11471768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1728 (or 1713 counting only the distinct ones).

The product of its digits is 9408, while the sum is 35.

The square root of 11471768 is about 3386.9998523767. Note that the first 3 decimals coincide. The cubic root of 11471768 is about 225.5330112291.

The spelling of 11471768 in words is "eleven million, four hundred seventy-one thousand, seven hundred sixty-eight".