12671688 has 16 divisors (see below), whose sum is σ = 31679280. Its totient is φ = 4223888.

The previous prime is 12671683. The next prime is 12671719. The reversal of 12671688 is 88617621.

It is not an unprimeable number, because it can be changed into a prime (12671683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263970 + ... + 264017.

It is an arithmetic number, because the mean of its divisors is an integer number (1979955).

Almost surely, 2^12671688 is an apocalyptic number.

It is an amenable number.

12671688 is an abundant number, since it is smaller than the sum of its proper divisors (19007592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12671688 is a wasteful number, since it uses less digits than its factorization.

12671688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527996 (or 527992 counting only the distinct ones).

The product of its digits is 32256, while the sum is 39.

The square root of 12671688 is about 3559.7314505451. The cubic root of 12671688 is about 233.1371539255.

The spelling of 12671688 in words is "twelve million, six hundred seventy-one thousand, six hundred eighty-eight".