12169028 has 6 divisors (see below), whose sum is σ = 21295806. Its totient is φ = 6084512.

The previous prime is 12168973. The next prime is 12169037. The reversal of 12169028 is 82096121.

It can be written as a sum of positive squares in only one way, i.e., 12054784 + 114244 = 3472^2 + 338^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1521125 + ... + 1521132.

It is an arithmetic number, because the mean of its divisors is an integer number (3549301).

Almost surely, 2^12169028 is an apocalyptic number.

It is an amenable number.

12169028 is a deficient number, since it is larger than the sum of its proper divisors (9126778).

12169028 is a wasteful number, since it uses less digits than its factorization.

12169028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3042261 (or 3042259 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 12169028 is about 3488.4133929338. The cubic root of 12169028 is about 230.0127781180.

The spelling of 12169028 in words is "twelve million, one hundred sixty-nine thousand, twenty-eight".