12000036 has 12 divisors (see below), whose sum is σ = 28000112. Its totient is φ = 4000008.

The previous prime is 12000029. The next prime is 12000073. The reversal of 12000036 is 63000021.

12000036 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 1000003 = 12000036 / (1 + 2 + 0 + 0 + 0 + 0 + 3 + 6).

12000036 is a modest number, since divided by 36 gives 12 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 11999985 and 12000030.

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, 499990 + ... + 500013.

Almost surely, 2^12000036 is an apocalyptic number.

It is an amenable number.

12000036 is an abundant number, since it is smaller than the sum of its proper divisors (16000076).

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

12000036 is a wasteful number, since it uses less digits than its factorization.

12000036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000010 (or 1000008 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 12000036 is about 3464.1068112863. The cubic root of 12000036 is about 228.9430774533.

Adding to 12000036 its reverse (63000021), we get a palindrome (75000057).

The spelling of 12000036 in words is "twelve million, thirty-six", and thus it is an aban number and an uban number.