12626679 has 12 divisors (see below), whose sum is σ = 18162536. Its totient is φ = 7756608.

The previous prime is 12626671. The next prime is 12626683. The reversal of 12626679 is 97662621.

It is not a de Polignac number, because 12626679 - 2³ = 12626671 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12626671) 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 11 ways as a sum of consecutive naturals, for example, 21907 + ... + 22475.

Almost surely, 2^12626679 is an apocalyptic number.

12626679 is a deficient number, since it is larger than the sum of its proper divisors (5535857).

12626679 is an frugal number, since it uses more digits than its factorization.

12626679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154 (or 585 counting only the distinct ones).

The product of its digits is 54432, while the sum is 39.

The square root of 12626679 is about 3553.4038610887. The cubic root of 12626679 is about 232.8607972019.

Multiplying 12626679 by its sum of digits (39), we get a square (492440481 = 22191²).

12626679 divided by its sum of digits (39) gives a square (323761 = 569²).

The spelling of 12626679 in words is "twelve million, six hundred twenty-six thousand, six hundred seventy-nine".