13544032312 has 16 divisors (see below), whose sum is σ = 25774092360. Its totient is φ = 6670941024.

The previous prime is 13544032289. The next prime is 13544032343. The reversal of 13544032312 is 21323044531.

It is a happy number.

It is a super-2 number, since 2×13544032312² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12633823 + ... + 12634894.

Almost surely, 2^13544032312 is an apocalyptic number.

It is an amenable number.

13544032312 is a deficient number, since it is larger than the sum of its proper divisors (12230060048).

13544032312 is a wasteful number, since it uses less digits than its factorization.

13544032312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25268790 (or 25268786 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 13544032312 its reverse (21323044531), we get a palindrome (34867076843).

The spelling of 13544032312 in words is "thirteen billion, five hundred forty-four million, thirty-two thousand, three hundred twelve".