12886772 has 12 divisors (see below), whose sum is σ = 22609860. Its totient is φ = 6426816.

The previous prime is 12886771. The next prime is 12886781. The reversal of 12886772 is 27768821.

It can be written as a sum of positive squares in 2 ways, for example, as 7107556 + 5779216 = 2666^2 + 2404^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12886771) 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 in 3 ways as a sum of consecutive naturals, for example, 2303 + ... + 5574.

It is an arithmetic number, because the mean of its divisors is an integer number (1884155).

Almost surely, 2^12886772 is an apocalyptic number.

It is an amenable number.

12886772 is a deficient number, since it is larger than the sum of its proper divisors (9723088).

12886772 is a wasteful number, since it uses less digits than its factorization.

12886772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8290 (or 8288 counting only the distinct ones).

The product of its digits is 75264, while the sum is 41.

The square root of 12886772 is about 3589.8150370179. The cubic root of 12886772 is about 234.4488183952.

The spelling of 12886772 in words is "twelve million, eight hundred eighty-six thousand, seven hundred seventy-two".