12859616 has 96 divisors (see below), whose sum is σ = 33530112. Its totient is φ = 4700160.

The previous prime is 12859601. The next prime is 12859631. The reversal of 12859616 is 61695821.

It is an interprime number because it is at equal distance from previous prime (12859601) and next prime (12859631).

It is a self number, because there is not a number n which added to its sum of digits gives 12859616.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41735 + ... + 42041.

It is an arithmetic number, because the mean of its divisors is an integer number (349272).

Almost surely, 2^12859616 is an apocalyptic number.

12859616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12859616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16765056).

12859616 is an abundant number, since it is smaller than the sum of its proper divisors (20670496).

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

12859616 is a wasteful number, since it uses less digits than its factorization.

12859616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352 (or 344 counting only the distinct ones).

The product of its digits is 25920, while the sum is 38.

The square root of 12859616 is about 3586.0306747154. The cubic root of 12859616 is about 234.2840197039.

It can be divided in two parts, 1285 and 9616, that added together give a palindrome (10901).

The spelling of 12859616 in words is "twelve million, eight hundred fifty-nine thousand, six hundred sixteen".