12003628 has 48 divisors (see below), whose sum is σ = 26420800. Its totient is φ = 4741632.

The previous prime is 12003619. The next prime is 12003647. The reversal of 12003628 is 82630021.

12003628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12003599 and 12003608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17500 + ... + 18172.

Almost surely, 2^12003628 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 12003628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13210400).

12003628 is an abundant number, since it is smaller than the sum of its proper divisors (14417172).

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

12003628 is a wasteful number, since it uses less digits than its factorization.

12003628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711 (or 695 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 12003628 is about 3464.6252322582. The cubic root of 12003628 is about 228.9659185374.

Adding to 12003628 its reverse (82630021), we get a palindrome (94633649).

The spelling of 12003628 in words is "twelve million, three thousand, six hundred twenty-eight".