12786936 has 16 divisors (see below), whose sum is σ = 31967400. Its totient is φ = 4262304.

The previous prime is 12786913. The next prime is 12786937. The reversal of 12786936 is 63968721.

It is a happy number.

12786936 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12786937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266371 + ... + 266418.

Almost surely, 2^12786936 is an apocalyptic number.

It is an amenable number.

12786936 is an abundant number, since it is smaller than the sum of its proper divisors (19180464).

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

12786936 is a wasteful number, since it uses less digits than its factorization.

12786936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532798 (or 532794 counting only the distinct ones).

The product of its digits is 108864, while the sum is 42.

The square root of 12786936 is about 3575.8825484068. The cubic root of 12786936 is about 233.8418099511.

The spelling of 12786936 in words is "twelve million, seven hundred eighty-six thousand, nine hundred thirty-six".