12774772 has 12 divisors (see below), whose sum is σ = 22382500. Its totient is φ = 6379776.

The previous prime is 12774767. The next prime is 12774787. The reversal of 12774772 is 27747721.

It can be written as a sum of positive squares in 2 ways, for example, as 5354596 + 7420176 = 2314^2 + 2724^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3718 + ... + 6274.

Almost surely, 2^12774772 is an apocalyptic number.

It is an amenable number.

12774772 is a deficient number, since it is larger than the sum of its proper divisors (9607728).

12774772 is a wasteful number, since it uses less digits than its factorization.

12774772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3810 (or 3808 counting only the distinct ones).

The product of its digits is 38416, while the sum is 37.

The square root of 12774772 is about 3574.1813048585. The cubic root of 12774772 is about 233.7676364818.

The spelling of 12774772 in words is "twelve million, seven hundred seventy-four thousand, seven hundred seventy-two".