12069289 has 8 divisors (see below), whose sum is σ = 12491208. Its totient is φ = 11652480.

The previous prime is 12069287. The next prime is 12069311. The reversal of 12069289 is 98296021.

It can be written as a sum of positive squares in 4 ways, for example, as 960400 + 11108889 = 980^2 + 3333^2 .

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 12069289 - 2¹ = 12069287 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12069287) by changing a digit.

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, 3879 + ... + 6259.

It is an arithmetic number, because the mean of its divisors is an integer number (1561401).

Almost surely, 2^12069289 is an apocalyptic number.

It is an amenable number.

12069289 is a deficient number, since it is larger than the sum of its proper divisors (421919).

12069289 is a wasteful number, since it uses less digits than its factorization.

12069289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2555.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 12069289 is about 3474.0882257076. The cubic root of 12069289 is about 229.3826481424.

The spelling of 12069289 in words is "twelve million, sixty-nine thousand, two hundred eighty-nine".