13249837718992 has 120 divisors (see below), whose sum is σ = 30505099486176. Its totient is φ = 5557652561664.

The previous prime is 13249837718981. The next prime is 13249837719007. The reversal of 13249837718992 is 29981773894231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6011218 + ... + 7914190.

Almost surely, 2^{13249837718992} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13249837718992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15252549743088).

13249837718992 is an abundant number, since it is smaller than the sum of its proper divisors (17255261767184).

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

13249837718992 is a wasteful number, since it uses less digits than its factorization.

13249837718992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1903185 (or 1903172 counting only the distinct ones).

The product of its digits is 329204736, while the sum is 73.

The spelling of 13249837718992 in words is "thirteen trillion, two hundred forty-nine billion, eight hundred thirty-seven million, seven hundred eighteen thousand, nine hundred ninety-two".