12678126 has 16 divisors (see below), whose sum is σ = 25608528. Its totient is φ = 4184000.

The previous prime is 12678121. The next prime is 12678131. The reversal of 12678126 is 62187621.

It is an interprime number because it is at equal distance from previous prime (12678121) and next prime (12678131).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12678121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9855 + ... + 11066.

It is an arithmetic number, because the mean of its divisors is an integer number (1600533).

Almost surely, 2^12678126 is an apocalyptic number.

12678126 is an abundant number, since it is smaller than the sum of its proper divisors (12930402).

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

12678126 is a wasteful number, since it uses less digits than its factorization.

12678126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21027.

The product of its digits is 8064, while the sum is 33.

The square root of 12678126 is about 3560.6356174144. The cubic root of 12678126 is about 233.1766299311.

The spelling of 12678126 in words is "twelve million, six hundred seventy-eight thousand, one hundred twenty-six".