13287869187492 has 48 divisors (see below), whose sum is σ = 32217145339904. Its totient is φ = 4258022580000.

The previous prime is 13287869187469. The next prime is 13287869187511. The reversal of 13287869187492 is 29478196878231.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118222234 + ... + 118334577.

Almost surely, 2^{13287869187492} is an apocalyptic number.

13287869187492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13287869187492 is an abundant number, since it is smaller than the sum of its proper divisors (18929276152412).

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

13287869187492 is a wasteful number, since it uses less digits than its factorization.

13287869187492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236557000 (or 236556998 counting only the distinct ones).

The product of its digits is 585252864, while the sum is 75.

The spelling of 13287869187492 in words is "thirteen trillion, two hundred eighty-seven billion, eight hundred sixty-nine million, one hundred eighty-seven thousand, four hundred ninety-two".