12080871 has 12 divisors (see below), whose sum is σ = 19036680. Its totient is φ = 7321680.

The previous prime is 12080869. The next prime is 12080923. The reversal of 12080871 is 17808021.

It is not a de Polignac number, because 12080871 - 2¹ = 12080869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12080821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60916 + ... + 61113.

It is an arithmetic number, because the mean of its divisors is an integer number (1586390).

Almost surely, 2^12080871 is an apocalyptic number.

12080871 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12080871 is a deficient number, since it is larger than the sum of its proper divisors (6955809).

12080871 is a wasteful number, since it uses less digits than its factorization.

12080871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122046 (or 122043 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 27.

The square root of 12080871 is about 3475.7547381828. The cubic root of 12080871 is about 229.4559985131.

Adding to 12080871 its reverse (17808021), we get a palindrome (29888892).

The spelling of 12080871 in words is "twelve million, eighty thousand, eight hundred seventy-one".