12667813284 has 96 divisors (see below), whose sum is σ = 34744622080. Its totient is φ = 3516400512.

The previous prime is 12667813283. The next prime is 12667813307. The reversal of 12667813284 is 48231876621.

It is not an unprimeable number, because it can be changed into a prime (12667813283) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2443407 + ... + 2448585.

Almost surely, 2^12667813284 is an apocalyptic number.

12667813284 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12667813284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17372311040).

12667813284 is an abundant number, since it is smaller than the sum of its proper divisors (22076808796).

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

12667813284 is a wasteful number, since it uses less digits than its factorization.

12667813284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6017 (or 6015 counting only the distinct ones).

The product of its digits is 774144, while the sum is 48.

The spelling of 12667813284 in words is "twelve billion, six hundred sixty-seven million, eight hundred thirteen thousand, two hundred eighty-four".