12878694 has 24 divisors (see below), whose sum is σ = 29373240. Its totient is φ = 4066848.

The previous prime is 12878687. The next prime is 12878699. The reversal of 12878694 is 49687821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12878699) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18487 + ... + 19170.

It is an arithmetic number, because the mean of its divisors is an integer number (1223885).

Almost surely, 2^12878694 is an apocalyptic number.

12878694 is an abundant number, since it is smaller than the sum of its proper divisors (16494546).

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

12878694 is a wasteful number, since it uses less digits than its factorization.

12878694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37684 (or 37681 counting only the distinct ones).

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

The square root of 12878694 is about 3588.6897330363. The cubic root of 12878694 is about 234.3998205181.

The spelling of 12878694 in words is "twelve million, eight hundred seventy-eight thousand, six hundred ninety-four".