12744867000 has 128 divisors (see below), whose sum is σ = 39936836160. Its totient is φ = 3383859200.

The previous prime is 12744866993. The next prime is 12744867007. The reversal of 12744867000 is 76844721.

It is an interprime number because it is at equal distance from previous prime (12744866993) and next prime (12744867007).

It is a self number, because there is not a number n which added to its sum of digits gives 12744867000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12744867007) 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, 689884 + ... + 708116.

Almost surely, 2^12744867000 is an apocalyptic number.

12744867000 is a gapful number since it is divisible by the number (10) 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 12744867000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19968418080).

12744867000 is an abundant number, since it is smaller than the sum of its proper divisors (27191969160).

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

12744867000 is a wasteful number, since it uses less digits than its factorization.

12744867000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18490 (or 18476 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 39.

The spelling of 12744867000 in words is "twelve billion, seven hundred forty-four million, eight hundred sixty-seven thousand".