12005036 has 24 divisors (see below), whose sum is σ = 22295280. Its totient is φ = 5640192.

The previous prime is 12005023. The next prime is 12005047. The reversal of 12005036 is 63050021.

It is a super-2 number, since 2×12005036² = 288241778722592, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9836 + ... + 10988.

It is an arithmetic number, because the mean of its divisors is an integer number (928970).

Almost surely, 2^12005036 is an apocalyptic number.

It is an amenable number.

12005036 is a deficient number, since it is larger than the sum of its proper divisors (10290244).

12005036 is a wasteful number, since it uses less digits than its factorization.

12005036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313 (or 1311 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 12005036 is about 3464.8284228804. The cubic root of 12005036 is about 228.9748705922.

Adding to 12005036 its reverse (63050021), we get a palindrome (75055057).

The spelling of 12005036 in words is "twelve million, five thousand, thirty-six".