12947671 has 8 divisors (see below), whose sum is σ = 14162688. Its totient is φ = 11739000.

The previous prime is 12947651. The next prime is 12947681. The reversal of 12947671 is 17674921.

12947671 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12947671 - 2⁵ = 12947639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12947671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12947621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3376 + ... + 6106.

It is an arithmetic number, because the mean of its divisors is an integer number (1770336).

Almost surely, 2^12947671 is an apocalyptic number.

12947671 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12947671 is a deficient number, since it is larger than the sum of its proper divisors (1215017).

12947671 is a wasteful number, since it uses less digits than its factorization.

12947671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3173.

The product of its digits is 21168, while the sum is 37.

The square root of 12947671 is about 3598.2872314478. The cubic root of 12947671 is about 234.8175496481.

The spelling of 12947671 in words is "twelve million, nine hundred forty-seven thousand, six hundred seventy-one".