12946922424 has 96 divisors (see below), whose sum is σ = 37160201520. Its totient is φ = 4058170368.

The previous prime is 12946922423. The next prime is 12946922489. The reversal of 12946922424 is 42422964921.

It is a happy number.

12946922424 is a `hidden beast` number, since 129 + 469 + 22 + 42 + 4 = 666.

12946922424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 12946922424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12946922423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1595722 + ... + 1603814.

Almost surely, 2^12946922424 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 12946922424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18580100760).

12946922424 is an abundant number, since it is smaller than the sum of its proper divisors (24213279096).

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

12946922424 is a wasteful number, since it uses less digits than its factorization.

12946922424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9429 (or 9422 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The spelling of 12946922424 in words is "twelve billion, nine hundred forty-six million, nine hundred twenty-two thousand, four hundred twenty-four".