12839718 has 8 divisors (see below), whose sum is σ = 25679448. Its totient is φ = 4279904.

The previous prime is 12839699. The next prime is 12839719. The reversal of 12839718 is 81793821.

It is a sphenic number, since it is the product of 3 distinct primes.

12839718 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12839719) 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 3 ways as a sum of consecutive naturals, for example, 1069971 + ... + 1069982.

It is an arithmetic number, because the mean of its divisors is an integer number (3209931).

Almost surely, 2^12839718 is an apocalyptic number.

12839718 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12839718 is a wasteful number, since it uses less digits than its factorization.

12839718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2139958.

The product of its digits is 24192, while the sum is 39.

The square root of 12839718 is about 3583.2552239549. The cubic root of 12839718 is about 234.1631195173.

The spelling of 12839718 in words is "twelve million, eight hundred thirty-nine thousand, seven hundred eighteen".