12389369 has 4 divisors (see below), whose sum is σ = 12408996. Its totient is φ = 12369744.

The previous prime is 12389353. The next prime is 12389371. The reversal of 12389369 is 96398321.

12389369 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96398321 = 359 ⋅268519.

It can be written as a sum of positive squares in 2 ways, for example, as 3610000 + 8779369 = 1900^2 + 2963^2 .

It is a cyclic number.

It is not a de Polignac number, because 12389369 - 2⁴ = 12389353 is a prime.

It is a super-2 number, since 2×12389369² = 306992928436322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12389329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8834 + ... + 10139.

It is an arithmetic number, because the mean of its divisors is an integer number (3102249).

Almost surely, 2^12389369 is an apocalyptic number.

It is an amenable number.

12389369 is a deficient number, since it is larger than the sum of its proper divisors (19627).

12389369 is an equidigital number, since it uses as much as digits as its factorization.

12389369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19626.

The product of its digits is 69984, while the sum is 41.

The square root of 12389369 is about 3519.8535480897. The cubic root of 12389369 is about 231.3927403139.

The spelling of 12389369 in words is "twelve million, three hundred eighty-nine thousand, three hundred sixty-nine".