12722764 has 24 divisors (see below), whose sum is σ = 23390640. Its totient is φ = 6046656.

The previous prime is 12722747. The next prime is 12722767. The reversal of 12722764 is 46722721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12722767) 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, 6954 + ... + 8590.

It is an arithmetic number, because the mean of its divisors is an integer number (974610).

Almost surely, 2^12722764 is an apocalyptic number.

It is an amenable number.

12722764 is a deficient number, since it is larger than the sum of its proper divisors (10667876).

12722764 is a wasteful number, since it uses less digits than its factorization.

12722764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1737 (or 1735 counting only the distinct ones).

The product of its digits is 9408, while the sum is 31.

The square root of 12722764 is about 3566.8983725360. The cubic root of 12722764 is about 233.4499707112.

The spelling of 12722764 in words is "twelve million, seven hundred twenty-two thousand, seven hundred sixty-four".