12726601 has 4 divisors (see below), whose sum is σ = 12901012. Its totient is φ = 12552192.

The previous prime is 12726589. The next prime is 12726611. The reversal of 12726601 is 10662721.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9120400 + 3606201 = 3020^2 + 1899^2 .

It is a cyclic number.

It is not a de Polignac number, because 12726601 - 2¹¹ = 12724553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12726611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87096 + ... + 87241.

It is an arithmetic number, because the mean of its divisors is an integer number (3225253).

Almost surely, 2^12726601 is an apocalyptic number.

It is an amenable number.

12726601 is a deficient number, since it is larger than the sum of its proper divisors (174411).

12726601 is an equidigital number, since it uses as much as digits as its factorization.

12726601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174410.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 12726601 is about 3567.4361942437. The cubic root of 12726601 is about 233.4734367207.

The spelling of 12726601 in words is "twelve million, seven hundred twenty-six thousand, six hundred one".