12789959 has 8 divisors (see below), whose sum is σ = 15741600. Its totient is φ = 10119456.

The previous prime is 12789947. The next prime is 12789971. The reversal of 12789959 is 95998721.

It is a happy number.

12789959 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 (12789947) and next prime (12789971).

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 12789959 - 2⁴ = 12789943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12789919) 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, 70184 + ... + 70365.

It is an arithmetic number, because the mean of its divisors is an integer number (1967700).

Almost surely, 2^12789959 is an apocalyptic number.

12789959 is a deficient number, since it is larger than the sum of its proper divisors (2951641).

12789959 is a wasteful number, since it uses less digits than its factorization.

12789959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140569.

The product of its digits is 408240, while the sum is 50.

The square root of 12789959 is about 3576.3052162812. The cubic root of 12789959 is about 233.8602362598.

The spelling of 12789959 in words is "twelve million, seven hundred eighty-nine thousand, nine hundred fifty-nine".