12889323 has 6 divisors (see below), whose sum is σ = 18617924. Its totient is φ = 8592876.

The previous prime is 12889313. The next prime is 12889333. The reversal of 12889323 is 32398821.

It is a happy number.

12889323 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12889313) and next prime (12889333).

It is not a de Polignac number, because 12889323 - 2⁵ = 12889291 is a prime.

It is a super-2 number, since 2×12889323² = 332269294796658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12889313) 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 5 ways as a sum of consecutive naturals, for example, 716065 + ... + 716082.

Almost surely, 2^12889323 is an apocalyptic number.

12889323 is a deficient number, since it is larger than the sum of its proper divisors (5728601).

12889323 is a wasteful number, since it uses less digits than its factorization.

12889323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1432153 (or 1432150 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 12889323 is about 3590.1703302211. The cubic root of 12889323 is about 234.4642874741.

The spelling of 12889323 in words is "twelve million, eight hundred eighty-nine thousand, three hundred twenty-three".