12816846 has 64 divisors (see below), whose sum is σ = 33384960. Its totient is φ = 3568320.

The previous prime is 12816841. The next prime is 12816851. The reversal of 12816846 is 64861821.

12816846 is digitally balanced in base 2, 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 (12816841) and next prime (12816851).

It is a self number, because there is not a number n which added to its sum of digits gives 12816846.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12816841) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15085 + ... + 15911.

It is an arithmetic number, because the mean of its divisors is an integer number (521640).

Almost surely, 2^12816846 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12816846, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16692480).

12816846 is an abundant number, since it is smaller than the sum of its proper divisors (20568114).

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

12816846 is a wasteful number, since it uses less digits than its factorization.

12816846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886 (or 880 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 12816846 is about 3580.0622899609. The cubic root of 12816846 is about 234.0239949096.

The spelling of 12816846 in words is "twelve million, eight hundred sixteen thousand, eight hundred forty-six".