12771148 has 24 divisors (see below), whose sum is σ = 25486272. Its totient is φ = 5547264.

The previous prime is 12771139. The next prime is 12771149. The reversal of 12771148 is 84117721.

It is not an unprimeable number, because it can be changed into a prime (12771149) by changing a digit.

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, 6340 + ... + 8107.

It is an arithmetic number, because the mean of its divisors is an integer number (1061928).

Almost surely, 2^12771148 is an apocalyptic number.

It is an amenable number.

12771148 is a deficient number, since it is larger than the sum of its proper divisors (12715124).

12771148 is a wasteful number, since it uses less digits than its factorization.

12771148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14481 (or 14479 counting only the distinct ones).

The product of its digits is 3136, while the sum is 31.

The square root of 12771148 is about 3573.6742996529. The cubic root of 12771148 is about 233.7455290022.

Adding to 12771148 its reverse (84117721), we get a palindrome (96888869).

The spelling of 12771148 in words is "twelve million, seven hundred seventy-one thousand, one hundred forty-eight".