12004136 has 8 divisors (see below), whose sum is σ = 22507770. Its totient is φ = 6002064.

The previous prime is 12004117. The next prime is 12004163. The reversal of 12004136 is 63140021.

12004136 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 only one way, i.e., 9424900 + 2579236 = 3070^2 + 1606^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×12004136² = 288198562212992, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 750251 + ... + 750266.

Almost surely, 2^12004136 is an apocalyptic number.

It is an amenable number.

12004136 is a deficient number, since it is larger than the sum of its proper divisors (10503634).

12004136 is a wasteful number, since it uses less digits than its factorization.

12004136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500523 (or 1500519 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 12004136 is about 3464.6985438852. The cubic root of 12004136 is about 228.9691484788.

Adding to 12004136 its reverse (63140021), we get a palindrome (75144157).

The spelling of 12004136 in words is "twelve million, four thousand, one hundred thirty-six".