12132004 has 12 divisors (see below), whose sum is σ = 21805084. Its totient is φ = 5901984.

The previous prime is 12131963. The next prime is 12132011. The reversal of 12132004 is 40023121.

12132004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 6749604 + 5382400 = 2598^2 + 2320^2 .

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, 40839 + ... + 41134.

Almost surely, 2^12132004 is an apocalyptic number.

It is an amenable number.

12132004 is a deficient number, since it is larger than the sum of its proper divisors (9673080).

12132004 is a wasteful number, since it uses less digits than its factorization.

12132004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82014 (or 82012 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 12132004 is about 3483.1026398888. The cubic root of 12132004 is about 229.7792715389.

Adding to 12132004 its reverse (40023121), we get a palindrome (52155125).

The spelling of 12132004 in words is "twelve million, one hundred thirty-two thousand, four".