13585774794372 has 72 divisors (see below), whose sum is σ = 38715507639200. Its totient is φ = 4116901448880.

The previous prime is 13585774794367. The next prime is 13585774794373. The reversal of 13585774794372 is 27349747758531.

It is a happy number.

13585774794372 is a `hidden beast` number, since 1 + 3 + 5 + 8 + 57 + 74 + 79 + 437 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 13585774794372.

It is not an unprimeable number, because it can be changed into a prime (13585774794373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 519797722 + ... + 519823857.

Almost surely, 2^{13585774794372} is an apocalyptic number.

13585774794372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13585774794372 is an abundant number, since it is smaller than the sum of its proper divisors (25129732844828).

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

13585774794372 is a wasteful number, since it uses less digits than its factorization.

13585774794372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039621614 (or 1039621595 counting only the distinct ones).

The product of its digits is 1244678400, while the sum is 72.

The spelling of 13585774794372 in words is "thirteen trillion, five hundred eighty-five billion, seven hundred seventy-four million, seven hundred ninety-four thousand, three hundred seventy-two".