13126899868 has 12 divisors (see below), whose sum is σ = 23405510520. Its totient is φ = 6439611152.

The previous prime is 13126899847. The next prime is 13126899869. The reversal of 13126899868 is 86899862131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13126899869) 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, 30959458 + ... + 30959881.

It is an arithmetic number, because the mean of its divisors is an integer number (1950459210).

Almost surely, 2^13126899868 is an apocalyptic number.

It is an amenable number.

13126899868 is a deficient number, since it is larger than the sum of its proper divisors (10278610652).

13126899868 is a wasteful number, since it uses less digits than its factorization.

13126899868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61919396 (or 61919394 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 61.

The spelling of 13126899868 in words is "thirteen billion, one hundred twenty-six million, eight hundred ninety-nine thousand, eight hundred sixty-eight".