12771017 has 12 divisors (see below), whose sum is σ = 14927616. Its totient is φ = 10893960.

The previous prime is 12771013. The next prime is 12771019. The reversal of 12771017 is 71017721.

It is not a de Polignac number, because 12771017 - 2² = 12771013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12771013) 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 11 ways as a sum of consecutive naturals, for example, 12392 + ... + 13382.

It is an arithmetic number, because the mean of its divisors is an integer number (1243968).

Almost surely, 2^12771017 is an apocalyptic number.

It is an amenable number.

12771017 is a deficient number, since it is larger than the sum of its proper divisors (2156599).

12771017 is an equidigital number, since it uses as much as digits as its factorization.

12771017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268 (or 1261 counting only the distinct ones).

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

The square root of 12771017 is about 3573.6559711310. The cubic root of 12771017 is about 233.7447297848.

Adding to 12771017 its reverse (71017721), we get a palindrome (83788738).

The spelling of 12771017 in words is "twelve million, seven hundred seventy-one thousand, seventeen".