12766426 has 8 divisors (see below), whose sum is σ = 19982304. Its totient is φ = 6105660.

The previous prime is 12766393. The next prime is 12766441. The reversal of 12766426 is 62466721.

12766426 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 junction number, because it is equal to n+sod(n) for n = 12766391 and 12766400.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138720 + ... + 138811.

It is an arithmetic number, because the mean of its divisors is an integer number (2497788).

Almost surely, 2^12766426 is an apocalyptic number.

12766426 is a deficient number, since it is larger than the sum of its proper divisors (7215878).

12766426 is a wasteful number, since it uses less digits than its factorization.

12766426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277556.

The product of its digits is 24192, while the sum is 34.

The square root of 12766426 is about 3573.0135740016. The cubic root of 12766426 is about 233.7167171196.

The spelling of 12766426 in words is "twelve million, seven hundred sixty-six thousand, four hundred twenty-six".