12128036 has 12 divisors (see below), whose sum is σ = 21264012. Its totient is φ = 6052608.

The previous prime is 12128027. The next prime is 12128059. The reversal of 12128036 is 63082121.

It can be written as a sum of positive squares in 2 ways, for example, as 2788900 + 9339136 = 1670^2 + 3056^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 185 + ... + 4928.

It is an arithmetic number, because the mean of its divisors is an integer number (1772001).

Almost surely, 2^12128036 is an apocalyptic number.

It is an amenable number.

12128036 is a deficient number, since it is larger than the sum of its proper divisors (9135976).

12128036 is a wasteful number, since it uses less digits than its factorization.

12128036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5710 (or 5708 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 12128036 is about 3482.5329862042. The cubic root of 12128036 is about 229.7542175970.

The spelling of 12128036 in words is "twelve million, one hundred twenty-eight thousand, thirty-six".