12772756 has 6 divisors (see below), whose sum is σ = 22352330. Its totient is φ = 6386376.

The previous prime is 12772717. The next prime is 12772757. The reversal of 12772756 is 65727721.

It can be written as a sum of positive squares in only one way, i.e., 10784656 + 1988100 = 3284^2 + 1410^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12772757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1596591 + ... + 1596598.

Almost surely, 2^12772756 is an apocalyptic number.

It is an amenable number.

12772756 is a deficient number, since it is larger than the sum of its proper divisors (9579574).

12772756 is a wasteful number, since it uses less digits than its factorization.

12772756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3193193 (or 3193191 counting only the distinct ones).

The product of its digits is 41160, while the sum is 37.

The square root of 12772756 is about 3573.8992711043. The cubic root of 12772756 is about 233.7553387973.

The spelling of 12772756 in words is "twelve million, seven hundred seventy-two thousand, seven hundred fifty-six".