12346689 has 4 divisors (see below), whose sum is σ = 16462256. Its totient is φ = 8231124.

The previous prime is 12346681. The next prime is 12346717. The reversal of 12346689 is 98664321.

12346689 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12346689 - 2³ = 12346681 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (12346681) 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 3 ways as a sum of consecutive naturals, for example, 2057779 + ... + 2057784.

It is an arithmetic number, because the mean of its divisors is an integer number (4115564).

Almost surely, 2^12346689 is an apocalyptic number.

It is an amenable number.

12346689 is a deficient number, since it is larger than the sum of its proper divisors (4115567).

12346689 is an equidigital number, since it uses as much as digits as its factorization.

12346689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4115566.

The product of its digits is 62208, while the sum is 39.

The square root of 12346689 is about 3513.7855654550. The cubic root of 12346689 is about 231.1267271886.

The spelling of 12346689 in words is "twelve million, three hundred forty-six thousand, six hundred eighty-nine".