12355689 has 8 divisors (see below), whose sum is σ = 16824960. Its totient is φ = 8061776.

The previous prime is 12355687. The next prime is 12355691. The reversal of 12355689 is 98655321.

12355689 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 (12355687) and next prime (12355691).

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 12355689 - 2¹ = 12355687 is a prime.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (12355687) 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, 43674 + ... + 43955.

It is an arithmetic number, because the mean of its divisors is an integer number (2103120).

Almost surely, 2^12355689 is an apocalyptic number.

It is an amenable number.

12355689 is a deficient number, since it is larger than the sum of its proper divisors (4469271).

12355689 is an equidigital number, since it uses as much as digits as its factorization.

12355689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87679.

The product of its digits is 64800, while the sum is 39.

The square root of 12355689 is about 3515.0660022253. The cubic root of 12355689 is about 231.1828727490.

The spelling of 12355689 in words is "twelve million, three hundred fifty-five thousand, six hundred eighty-nine".