13388215987692 has 432 divisors, whose sum is σ = 43992036684960. Its totient is φ = 3528886652928.

The previous prime is 13388215987669. The next prime is 13388215987717. The reversal of 13388215987692 is 29678951288331.

13388215987692 is a `hidden beast` number, since 1 + 3 + 3 + 8 + 8 + 21 + 598 + 7 + 6 + 9 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 13388215987692.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1256278428 + ... + 1256289084.

Almost surely, 2^{13388215987692} is an apocalyptic number.

13388215987692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13388215987692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21996018342480).

13388215987692 is an abundant number, since it is smaller than the sum of its proper divisors (30603820697268).

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

13388215987692 is a wasteful number, since it uses less digits than its factorization.

13388215987692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12732 (or 12711 counting only the distinct ones).

The product of its digits is 313528320, while the sum is 72.

The spelling of 13388215987692 in words is "thirteen trillion, three hundred eighty-eight billion, two hundred fifteen million, nine hundred eighty-seven thousand, six hundred ninety-two".