12726423 has 16 divisors (see below), whose sum is σ = 18995200. Its totient is φ = 8420760.

The previous prime is 12726407. The next prime is 12726433. The reversal of 12726423 is 32462721.

12726423 is a `hidden beast` number, since 12 + 7 + 2 + 642 + 3 = 666.

12726423 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12726423 - 2⁴ = 12726407 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12726433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2058 + ... + 5448.

It is an arithmetic number, because the mean of its divisors is an integer number (1187200).

Almost surely, 2^12726423 is an apocalyptic number.

12726423 is a deficient number, since it is larger than the sum of its proper divisors (6268777).

12726423 is a wasteful number, since it uses less digits than its factorization.

12726423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3539 (or 3533 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 12726423 is about 3567.4112462681. The cubic root of 12726423 is about 233.4723482273.

The spelling of 12726423 in words is "twelve million, seven hundred twenty-six thousand, four hundred twenty-three".