11983728 has 40 divisors (see below), whose sum is σ = 32029200. Its totient is φ = 3856384.

The previous prime is 11983723. The next prime is 11983729. The reversal of 11983728 is 82738911.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11983721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2913 + ... + 5696.

It is an arithmetic number, because the mean of its divisors is an integer number (800730).

Almost surely, 2^11983728 is an apocalyptic number.

It is an amenable number.

11983728 is an abundant number, since it is smaller than the sum of its proper divisors (20045472).

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

11983728 is a wasteful number, since it uses less digits than its factorization.

11983728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8649 (or 8643 counting only the distinct ones).

The product of its digits is 24192, while the sum is 39.

The square root of 11983728 is about 3461.7521575064. The cubic root of 11983728 is about 228.8393195339.

The spelling of 11983728 in words is "eleven million, nine hundred eighty-three thousand, seven hundred twenty-eight".