12922772 has 12 divisors (see below), whose sum is σ = 22682100. Its totient is φ = 6442176.

The previous prime is 12922769. The next prime is 12922787. The reversal of 12922772 is 27722921.

12922772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 4605316 + 8317456 = 2146^2 + 2884^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3233 + ... + 6024.

It is an arithmetic number, because the mean of its divisors is an integer number (1890175).

Almost surely, 2^12922772 is an apocalyptic number.

It is an amenable number.

12922772 is a deficient number, since it is larger than the sum of its proper divisors (9759328).

12922772 is a wasteful number, since it uses less digits than its factorization.

12922772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9610 (or 9608 counting only the distinct ones).

The product of its digits is 7056, while the sum is 32.

The square root of 12922772 is about 3594.8257259567. The cubic root of 12922772 is about 234.6669312081. Note that the first 3 decimals are identical.

The spelling of 12922772 in words is "twelve million, nine hundred twenty-two thousand, seven hundred seventy-two".