12706776 has 48 divisors (see below), whose sum is σ = 35530560. Its totient is φ = 4098240.

The previous prime is 12706723. The next prime is 12706777. The reversal of 12706776 is 67760721.

12706776 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12706776² = 322924312628352, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 12706776.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12706777) 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, 615 + ... + 5078.

It is an arithmetic number, because the mean of its divisors is an integer number (740220).

Almost surely, 2^12706776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12706776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17765280).

12706776 is an abundant number, since it is smaller than the sum of its proper divisors (22823784).

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

12706776 is a wasteful number, since it uses less digits than its factorization.

12706776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5736 (or 5729 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 36.

The square root of 12706776 is about 3564.6565051909. The cubic root of 12706776 is about 233.3521417945.

The spelling of 12706776 in words is "twelve million, seven hundred six thousand, seven hundred seventy-six".