12966772 has 48 divisors (see below), whose sum is σ = 28537600. Its totient is φ = 5122656.

The previous prime is 12966731. The next prime is 12966791. The reversal of 12966772 is 27766921.

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, 17473 + ... + 18199.

Almost surely, 2^12966772 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 12966772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14268800).

12966772 is an abundant number, since it is smaller than the sum of its proper divisors (15570828).

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

12966772 is a wasteful number, since it uses less digits than its factorization.

12966772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765 (or 749 counting only the distinct ones).

The product of its digits is 63504, while the sum is 40.

The square root of 12966772 is about 3600.9404327203. The cubic root of 12966772 is about 234.9329641296.

The spelling of 12966772 in words is "twelve million, nine hundred sixty-six thousand, seven hundred seventy-two".