12329878 has 32 divisors (see below), whose sum is σ = 21150720. Its totient is φ = 5340000.

The previous prime is 12329857. The next prime is 12329897. The reversal of 12329878 is 87892321.

12329878 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 12329878.

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, 68793 + ... + 68971.

It is an arithmetic number, because the mean of its divisors is an integer number (660960).

Almost surely, 2^12329878 is an apocalyptic number.

12329878 is a deficient number, since it is larger than the sum of its proper divisors (8820842).

12329878 is a wasteful number, since it uses less digits than its factorization.

12329878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324.

The product of its digits is 48384, while the sum is 40.

The square root of 12329878 is about 3511.3926012339. The cubic root of 12329878 is about 231.0217803967.

The spelling of 12329878 in words is "twelve million, three hundred twenty-nine thousand, eight hundred seventy-eight".