12671579 has 8 divisors (see below), whose sum is σ = 13880160. Its totient is φ = 11514496.

The previous prime is 12671573. The next prime is 12671587. The reversal of 12671579 is 97517621.

12671579 is digitally balanced in base 2, because in such base 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 12671579 - 2⁴ = 12671563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12671573) 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, 12359 + ... + 13344.

It is an arithmetic number, because the mean of its divisors is an integer number (1735020).

Almost surely, 2^12671579 is an apocalyptic number.

12671579 is a deficient number, since it is larger than the sum of its proper divisors (1208581).

12671579 is a wasteful number, since it uses less digits than its factorization.

12671579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25749.

The product of its digits is 26460, while the sum is 38.

The square root of 12671579 is about 3559.7161403685. The cubic root of 12671579 is about 233.1364854531.

The spelling of 12671579 in words is "twelve million, six hundred seventy-one thousand, five hundred seventy-nine".