13126913376 has 48 divisors (see below), whose sum is σ = 34657371504. Its totient is φ = 4350339584.

The previous prime is 13126913369. The next prime is 13126913377. The reversal of 13126913376 is 67331962131.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13126913377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 378591 + ... + 411806.

It is an arithmetic number, because the mean of its divisors is an integer number (722028573).

Almost surely, 2^13126913376 is an apocalyptic number.

13126913376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13126913376 is an abundant number, since it is smaller than the sum of its proper divisors (21530458128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13126913376 is a wasteful number, since it uses less digits than its factorization.

13126913376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790583 (or 790575 counting only the distinct ones).

The product of its digits is 122472, while the sum is 42.

The spelling of 13126913376 in words is "thirteen billion, one hundred twenty-six million, nine hundred thirteen thousand, three hundred seventy-six".