12028 has 12 divisors (see below), whose sum is σ = 21952. Its totient is φ = 5760.

The previous prime is 12011. The next prime is 12037. The reversal of 12028 is 82021.

12028 is a Rhonda number in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 11999 and 12017.

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, 76 + ... + 172.

2¹²⁰²⁸ is an apocalyptic number.

It is an amenable number.

12028 is a deficient number, since it is larger than the sum of its proper divisors (9924).

12028 is a wasteful number, since it uses less digits than its factorization.

12028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 12028 is about 109.6722389668. The cubic root of 12028 is about 22.9120776854.

Adding to 12028 its reverse (82021), we get a palindrome (94049).

The spelling of 12028 in words is "twelve thousand, twenty-eight".