12878814 has 32 divisors (see below), whose sum is σ = 27931680. Its totient is φ = 3958656.

The previous prime is 12878783. The next prime is 12878839. The reversal of 12878814 is 41887821.

It is a happy number.

12878814 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 12694 + ... + 13670.

It is an arithmetic number, because the mean of its divisors is an integer number (872865).

Almost surely, 2^12878814 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12878814, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13965840).

12878814 is an abundant number, since it is smaller than the sum of its proper divisors (15052866).

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

12878814 is an equidigital number, since it uses as much as digits as its factorization.

12878814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021 (or 995 counting only the distinct ones).

The product of its digits is 28672, while the sum is 39.

The square root of 12878814 is about 3588.7064521914. The cubic root of 12878814 is about 234.4005485394.

It can be divided in two parts, 1287 and 8814, that added together give a palindrome (10101).

The spelling of 12878814 in words is "twelve million, eight hundred seventy-eight thousand, eight hundred fourteen".