12771116 has 24 divisors (see below), whose sum is σ = 23672880. Its totient is φ = 6011712.

The previous prime is 12771103. The next prime is 12771139. The reversal of 12771116 is 61117721.

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 7 ways as a sum of consecutive naturals, for example, 14546 + ... + 15398.

It is an arithmetic number, because the mean of its divisors is an integer number (986370).

Almost surely, 2^12771116 is an apocalyptic number.

It is an amenable number.

12771116 is a deficient number, since it is larger than the sum of its proper divisors (10901764).

12771116 is a wasteful number, since it uses less digits than its factorization.

12771116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073 (or 1071 counting only the distinct ones).

The product of its digits is 588, while the sum is 26.

The square root of 12771116 is about 3573.6698224654. The cubic root of 12771116 is about 233.7453337740.

Adding to 12771116 its reverse (61117721), we get a palindrome (73888837).

The spelling of 12771116 in words is "twelve million, seven hundred seventy-one thousand, one hundred sixteen".