12117036 has 24 divisors (see below), whose sum is σ = 28390320. Its totient is φ = 4022272.

The previous prime is 12117031. The next prime is 12117043. The reversal of 12117036 is 63071121.

It is a super-2 number, since 2×12117036² = 293645122850592, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12117031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1120 + ... + 5048.

It is an arithmetic number, because the mean of its divisors is an integer number (1182930).

Almost surely, 2^12117036 is an apocalyptic number.

It is an amenable number.

12117036 is an abundant number, since it is smaller than the sum of its proper divisors (16273284).

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

12117036 is a wasteful number, since it uses less digits than its factorization.

12117036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4193 (or 4191 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 12117036 is about 3480.9533176990. The cubic root of 12117036 is about 229.6847350401.

Adding to 12117036 its reverse (63071121), we get a palindrome (75188157).

The spelling of 12117036 in words is "twelve million, one hundred seventeen thousand, thirty-six".