12878846 has 16 divisors (see below), whose sum is σ = 20770560. Its totient is φ = 5969880.

The previous prime is 12878839. The next prime is 12878851. The reversal of 12878846 is 64887821.

It is a junction number, because it is equal to n+sod(n) for n = 12878797 and 12878806.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1820 + ... + 5391.

It is an arithmetic number, because the mean of its divisors is an integer number (1298160).

Almost surely, 2^12878846 is an apocalyptic number.

12878846 is a deficient number, since it is larger than the sum of its proper divisors (7891714).

12878846 is a wasteful number, since it uses less digits than its factorization.

12878846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7279.

The product of its digits is 172032, while the sum is 44.

The square root of 12878846 is about 3588.7109106196. The cubic root of 12878846 is about 234.4007426776.

The spelling of 12878846 in words is "twelve million, eight hundred seventy-eight thousand, eight hundred forty-six".