12879846 has 72 divisors (see below), whose sum is σ = 34412040. Its totient is φ = 3459456.

The previous prime is 12879827. The next prime is 12879851. The reversal of 12879846 is 64897821.

12879846 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 14565 + ... + 15423.

It is an arithmetic number, because the mean of its divisors is an integer number (477945).

Almost surely, 2^12879846 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12879846, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17206020).

12879846 is an abundant number, since it is smaller than the sum of its proper divisors (21532194).

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

12879846 is a wasteful number, since it uses less digits than its factorization.

12879846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898 (or 888 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 12879846 is about 3588.8502337100. The cubic root of 12879846 is about 234.4068093360.

The spelling of 12879846 in words is "twelve million, eight hundred seventy-nine thousand, eight hundred forty-six".