12671422 has 4 divisors (see below), whose sum is σ = 19007136. Its totient is φ = 6335710.

The previous prime is 12671389. The next prime is 12671431. The reversal of 12671422 is 22417621.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3167854 + ... + 3167857.

It is an arithmetic number, because the mean of its divisors is an integer number (4751784).

Almost surely, 2^12671422 is an apocalyptic number.

12671422 is a deficient number, since it is larger than the sum of its proper divisors (6335714).

12671422 is an equidigital number, since it uses as much as digits as its factorization.

12671422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6335713.

The product of its digits is 1344, while the sum is 25.

The square root of 12671422 is about 3559.6940879800. The cubic root of 12671422 is about 233.1355226007.

It can be divided in two parts, 126714 and 22, that added together give a square (126736 = 356²).

The spelling of 12671422 in words is "twelve million, six hundred seventy-one thousand, four hundred twenty-two".