13786647612 has 12 divisors (see below), whose sum is σ = 32168844456. Its totient is φ = 4595549200.

The previous prime is 13786647601. The next prime is 13786647613. The reversal of 13786647612 is 21674668731.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13786647613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 574443639 + ... + 574443662.

It is an arithmetic number, because the mean of its divisors is an integer number (2680737038).

Almost surely, 2^13786647612 is an apocalyptic number.

13786647612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13786647612 is an abundant number, since it is smaller than the sum of its proper divisors (18382196844).

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

13786647612 is a wasteful number, since it uses less digits than its factorization.

13786647612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148887308 (or 1148887306 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 51.

The spelling of 13786647612 in words is "thirteen billion, seven hundred eighty-six million, six hundred forty-seven thousand, six hundred twelve".