12670671 has 8 divisors (see below), whose sum is σ = 18193840. Its totient is φ = 7797312.

The previous prime is 12670667. The next prime is 12670673. The reversal of 12670671 is 17607621.

It is a happy number.

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

It is not a de Polignac number, because 12670671 - 2² = 12670667 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 (12670673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162406 + ... + 162483.

It is an arithmetic number, because the mean of its divisors is an integer number (2274230).

Almost surely, 2^12670671 is an apocalyptic number.

12670671 is a deficient number, since it is larger than the sum of its proper divisors (5523169).

12670671 is a wasteful number, since it uses less digits than its factorization.

12670671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324905.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 12670671 is about 3559.5885998244. The cubic root of 12670671 is about 233.1309167447.

The spelling of 12670671 in words is "twelve million, six hundred seventy thousand, six hundred seventy-one".