12089156 has 6 divisors (see below), whose sum is σ = 21156030. Its totient is φ = 6044576.

The previous prime is 12089131. The next prime is 12089173. The reversal of 12089156 is 65198021.

12089156 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., 9096256 + 2992900 = 3016^2 + 1730^2 .

It is a super-2 number, since 2×12089156² = 292295385584672, which contains 22 as substring.

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1511141 + ... + 1511148.

It is an arithmetic number, because the mean of its divisors is an integer number (3526005).

Almost surely, 2^12089156 is an apocalyptic number.

It is an amenable number.

12089156 is a deficient number, since it is larger than the sum of its proper divisors (9066874).

12089156 is a wasteful number, since it uses less digits than its factorization.

12089156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3022293 (or 3022291 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 12089156 is about 3476.9463613924. The cubic root of 12089156 is about 229.5084397799.

The spelling of 12089156 in words is "twelve million, eighty-nine thousand, one hundred fifty-six".