11717328 has 80 divisors (see below), whose sum is σ = 35442176. Its totient is φ = 3265920.

The previous prime is 11717323. The next prime is 11717333. The reversal of 11717328 is 82371711.

It is an interprime number because it is at equal distance from previous prime (11717323) and next prime (11717333).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 11717295 and 11717304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11717323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14043 + ... + 14853.

Almost surely, 2^11717328 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 11717328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17721088).

11717328 is an abundant number, since it is smaller than the sum of its proper divisors (23724848).

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

11717328 is a wasteful number, since it uses less digits than its factorization.

11717328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872 (or 866 counting only the distinct ones).

The product of its digits is 2352, while the sum is 30.

The square root of 11717328 is about 3423.0582817124. The cubic root of 11717328 is about 227.1308863707.

The spelling of 11717328 in words is "eleven million, seven hundred seventeen thousand, three hundred twenty-eight".