13126388398 has 32 divisors (see below), whose sum is σ = 21567816864. Its totient is φ = 5966226432.

The previous prime is 13126388371. The next prime is 13126388399. The reversal of 13126388398 is 89388362131.

13126388398 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13126388399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134265 + ... + 210427.

It is an arithmetic number, because the mean of its divisors is an integer number (673994277).

Almost surely, 2^13126388398 is an apocalyptic number.

13126388398 is a deficient number, since it is larger than the sum of its proper divisors (8441428466).

13126388398 is a wasteful number, since it uses less digits than its factorization.

13126388398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76356.

The product of its digits is 1492992, while the sum is 52.

The spelling of 13126388398 in words is "thirteen billion, one hundred twenty-six million, three hundred eighty-eight thousand, three hundred ninety-eight".