11747328 has 60 divisors (see below), whose sum is σ = 31456320. Its totient is φ = 3899392.

The previous prime is 11747317. The next prime is 11747341. The reversal of 11747328 is 82374711.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49033 + ... + 49271.

It is an arithmetic number, because the mean of its divisors is an integer number (524272).

Almost surely, 2^11747328 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 11747328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15728160).

11747328 is an abundant number, since it is smaller than the sum of its proper divisors (19708992).

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

11747328 is an frugal number, since it uses more digits than its factorization.

11747328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270 (or 244 counting only the distinct ones).

The product of its digits is 9408, while the sum is 33.

The square root of 11747328 is about 3427.4375267829. The cubic root of 11747328 is about 227.3245630517.

The spelling of 11747328 in words is "eleven million, seven hundred forty-seven thousand, three hundred twenty-eight".