12671131 has 16 divisors (see below), whose sum is σ = 14358528. Its totient is φ = 11080800.

The previous prime is 12671123. The next prime is 12671161. The reversal of 12671131 is 13117621.

It is a cyclic number.

It is not a de Polignac number, because 12671131 - 2³ = 12671123 is a prime.

It is a super-3 number, since 3×12671131³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12671161) 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 15 ways as a sum of consecutive naturals, for example, 66246 + ... + 66436.

It is an arithmetic number, because the mean of its divisors is an integer number (897408).

Almost surely, 2^12671131 is an apocalyptic number.

12671131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12671131 is a deficient number, since it is larger than the sum of its proper divisors (1687397).

12671131 is a wasteful number, since it uses less digits than its factorization.

12671131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402.

The product of its digits is 252, while the sum is 22.

The square root of 12671131 is about 3559.6532134465. The cubic root of 12671131 is about 233.1337379298.

Adding to 12671131 its reverse (13117621), we get a palindrome (25788752).

The spelling of 12671131 in words is "twelve million, six hundred seventy-one thousand, one hundred thirty-one".