12669844376 has 64 divisors (see below), whose sum is σ = 27569203200. Its totient is φ = 5346286848.

The previous prime is 12669844357. The next prime is 12669844409. The reversal of 12669844376 is 67344896621.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2691641 + ... + 2696343.

It is an arithmetic number, because the mean of its divisors is an integer number (430768800).

Almost surely, 2^12669844376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12669844376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13784601600).

12669844376 is an abundant number, since it is smaller than the sum of its proper divisors (14899358824).

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

12669844376 is a wasteful number, since it uses less digits than its factorization.

12669844376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5448 (or 5444 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 56.

The spelling of 12669844376 in words is "twelve billion, six hundred sixty-nine million, eight hundred forty-four thousand, three hundred seventy-six".