12169389 has 8 divisors (see below), whose sum is σ = 16386912. Its totient is φ = 8032400.

The previous prime is 12169379. The next prime is 12169403. The reversal of 12169389 is 98396121.

12169389 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12169389 - 2⁴ = 12169373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12169349) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 19779 + ... + 20384.

It is an arithmetic number, because the mean of its divisors is an integer number (2048364).

Almost surely, 2^12169389 is an apocalyptic number.

It is an amenable number.

12169389 is a deficient number, since it is larger than the sum of its proper divisors (4217523).

12169389 is a wasteful number, since it uses less digits than its factorization.

12169389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40267.

The product of its digits is 23328, while the sum is 39.

The square root of 12169389 is about 3488.4651352708. The cubic root of 12169389 is about 230.0150525750.

The spelling of 12169389 in words is "twelve million, one hundred sixty-nine thousand, three hundred eighty-nine".