12671726 has 4 divisors (see below), whose sum is σ = 19007592. Its totient is φ = 6335862.

The previous prime is 12671719. The next prime is 12671741. The reversal of 12671726 is 62717621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62717621 = 251 ⋅249871.

It is a junction number, because it is equal to n+sod(n) for n = 12671692 and 12671701.

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, 3167930 + ... + 3167933.

It is an arithmetic number, because the mean of its divisors is an integer number (4751898).

Almost surely, 2^12671726 is an apocalyptic number.

12671726 is a deficient number, since it is larger than the sum of its proper divisors (6335866).

12671726 is an equidigital number, since it uses as much as digits as its factorization.

12671726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6335865.

The product of its digits is 7056, while the sum is 32.

The square root of 12671726 is about 3559.7367880224. The cubic root of 12671726 is about 233.1373869701.

The spelling of 12671726 in words is "twelve million, six hundred seventy-one thousand, seven hundred twenty-six".