12726385113 has 32 divisors (see below), whose sum is σ = 19540386432. Its totient is φ = 7297920000.

The previous prime is 12726385109. The next prime is 12726385141. The reversal of 12726385113 is 31158362721.

It is a happy number.

It is not a de Polignac number, because 12726385113 - 2² = 12726385109 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (12726385183) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28063 + ... + 161988.

It is an arithmetic number, because the mean of its divisors is an integer number (610637076).

Almost surely, 2^12726385113 is an apocalyptic number.

12726385113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12726385113 is a deficient number, since it is larger than the sum of its proper divisors (6814001319).

12726385113 is a wasteful number, since it uses less digits than its factorization.

12726385113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190185.

The product of its digits is 60480, while the sum is 39.

The spelling of 12726385113 in words is "twelve billion, seven hundred twenty-six million, three hundred eighty-five thousand, one hundred thirteen".