12726103634 has 8 divisors (see below), whose sum is σ = 19090230768. Its totient is φ = 6362693380.

The previous prime is 12726103631. The next prime is 12726103679. The reversal of 12726103634 is 43630162721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12726103594 and 12726103603.

It is not an unprimeable number, because it can be changed into a prime (12726103631) 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, 132392 + ... + 207315.

It is an arithmetic number, because the mean of its divisors is an integer number (2386278846).

Almost surely, 2^12726103634 is an apocalyptic number.

12726103634 is a deficient number, since it is larger than the sum of its proper divisors (6364127134).

12726103634 is a wasteful number, since it uses less digits than its factorization.

12726103634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358440.

The product of its (nonzero) digits is 36288, while the sum is 35.

The spelling of 12726103634 in words is "twelve billion, seven hundred twenty-six million, one hundred three thousand, six hundred thirty-four".