12003828 has 48 divisors (see below), whose sum is σ = 28941696. Its totient is φ = 3870720.

The previous prime is 12003821. The next prime is 12003829. The reversal of 12003828 is 82830021.

It is a junction number, because it is equal to n+sod(n) for n = 12003798 and 12003807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12003821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62100 + ... + 62292.

It is an arithmetic number, because the mean of its divisors is an integer number (602952).

Almost surely, 2^12003828 is an apocalyptic number.

It is an amenable number.

12003828 is an abundant number, since it is smaller than the sum of its proper divisors (16937868).

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

12003828 is a wasteful number, since it uses less digits than its factorization.

12003828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344 (or 342 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 12003828 is about 3464.6540952886. The cubic root of 12003828 is about 228.9671901787.

Adding to 12003828 its reverse (82830021), we get a palindrome (94833849).

The spelling of 12003828 in words is "twelve million, three thousand, eight hundred twenty-eight".