11782128 has 40 divisors (see below), whose sum is σ = 32041600. Its totient is φ = 3720384.

The previous prime is 11782117. The next prime is 11782153. The reversal of 11782128 is 82128711.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11782095 and 11782104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5548 + ... + 7371.

It is an arithmetic number, because the mean of its divisors is an integer number (801040).

Almost surely, 2^11782128 is an apocalyptic number.

It is an amenable number.

11782128 is an abundant number, since it is smaller than the sum of its proper divisors (20259472).

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

11782128 is a wasteful number, since it uses less digits than its factorization.

11782128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12949 (or 12943 counting only the distinct ones).

The product of its digits is 1792, while the sum is 30.

The square root of 11782128 is about 3432.5104515500. The cubic root of 11782128 is about 227.5488153510.

The spelling of 11782128 in words is "eleven million, seven hundred eighty-two thousand, one hundred twenty-eight".