12129366 has 16 divisors (see below), whose sum is σ = 25095600. Its totient is φ = 3903648.

The previous prime is 12129343. The next prime is 12129379. The reversal of 12129366 is 66392121.

It is a Curzon number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 34681 + ... + 35028.

It is an arithmetic number, because the mean of its divisors is an integer number (1568475).

Almost surely, 2^12129366 is an apocalyptic number.

12129366 is an abundant number, since it is smaller than the sum of its proper divisors (12966234).

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

12129366 is a wasteful number, since it uses less digits than its factorization.

12129366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69743.

The product of its digits is 3888, while the sum is 30.

The square root of 12129366 is about 3482.7239339345. The cubic root of 12129366 is about 229.7626158224.

The spelling of 12129366 in words is "twelve million, one hundred twenty-nine thousand, three hundred sixty-six".