13671334512 has 120 divisors (see below), whose sum is σ = 43178419440. Its totient is φ = 3999959040.

The previous prime is 13671334507. The next prime is 13671334513. The reversal of 13671334512 is 21543317631.

13671334512 is a `hidden beast` number, since 1 + 3 + 6 + 7 + 133 + 4 + 512 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13671334513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102873 + ... + 194744.

It is an arithmetic number, because the mean of its divisors is an integer number (359820162).

Almost surely, 2^13671334512 is an apocalyptic number.

13671334512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13671334512 is an abundant number, since it is smaller than the sum of its proper divisors (29507084928).

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

13671334512 is a wasteful number, since it uses less digits than its factorization.

13671334512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297671 (or 297662 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The spelling of 13671334512 in words is "thirteen billion, six hundred seventy-one million, three hundred thirty-four thousand, five hundred twelve".