12670279 has 4 divisors (see below), whose sum is σ = 12696784. Its totient is φ = 12643776.

The previous prime is 12670277. The next prime is 12670291. The reversal of 12670279 is 97207621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12670279 - 2¹ = 12670277 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 (12670277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12522 + ... + 13495.

It is an arithmetic number, because the mean of its divisors is an integer number (3174196).

Almost surely, 2^12670279 is an apocalyptic number.

12670279 is a deficient number, since it is larger than the sum of its proper divisors (26505).

12670279 is an equidigital number, since it uses as much as digits as its factorization.

12670279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26504.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 12670279 is about 3559.5335368556. The cubic root of 12670279 is about 233.1285125505.

The spelling of 12670279 in words is "twelve million, six hundred seventy thousand, two hundred seventy-nine".