12771170 has 16 divisors (see below), whose sum is σ = 23042880. Its totient is φ = 5096304.

The previous prime is 12771151. The next prime is 12771191. The reversal of 12771170 is 7117721.

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, 3761 + ... + 6299.

It is an arithmetic number, because the mean of its divisors is an integer number (1440180).

Almost surely, 2^12771170 is an apocalyptic number.

12771170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12771170 is a deficient number, since it is larger than the sum of its proper divisors (10271710).

12771170 is a wasteful number, since it uses less digits than its factorization.

12771170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3049.

The product of its (nonzero) digits is 686, while the sum is 26.

The square root of 12771170 is about 3573.6773777161. The cubic root of 12771170 is about 233.7456632213.

Adding to 12771170 its reverse (7117721), we get a palindrome (19888891).

The spelling of 12771170 in words is "twelve million, seven hundred seventy-one thousand, one hundred seventy".