13582944612 has 36 divisors (see below), whose sum is σ = 35172100236. Its totient is φ = 4417217280.

The previous prime is 13582944611. The next prime is 13582944643. The reversal of 13582944612 is 21644928531.

13582944612 is a `hidden beast` number, since 1 + 3 + 5 + 8 + 29 + 4 + 4 + 612 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2588163876 + 10994780736 = 50874^2 + 104856^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (13582944611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4599793 + ... + 4602744.

Almost surely, 2^13582944612 is an apocalyptic number.

13582944612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13582944612 is an abundant number, since it is smaller than the sum of its proper divisors (21589155624).

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

13582944612 is a wasteful number, since it uses less digits than its factorization.

13582944612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9202588 (or 9202583 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The spelling of 13582944612 in words is "thirteen billion, five hundred eighty-two million, nine hundred forty-four thousand, six hundred twelve".