12047671 has 4 divisors (see below), whose sum is σ = 12054744. Its totient is φ = 12040600.

The previous prime is 12047669. The next prime is 12047689. The reversal of 12047671 is 17674021.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12047671 - 2¹ = 12047669 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 (12047621) 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, 756 + ... + 4966.

It is an arithmetic number, because the mean of its divisors is an integer number (3013686).

Almost surely, 2^12047671 is an apocalyptic number.

12047671 is a deficient number, since it is larger than the sum of its proper divisors (7073).

12047671 is an equidigital number, since it uses as much as digits as its factorization.

12047671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7072.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 12047671 is about 3470.9755112936. The cubic root of 12047671 is about 229.2456127932.

The spelling of 12047671 in words is "twelve million, forty-seven thousand, six hundred seventy-one".