12923647488 has 120 divisors (see below), whose sum is σ = 37343592000. Its totient is φ = 4302680064.

The previous prime is 12923647483. The next prime is 12923647511. The reversal of 12923647488 is 88474632921.

12923647488 is a `hidden beast` number, since 1 + 2 + 92 + 3 + 6 + 474 + 88 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12923647483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6629938 + ... + 6631886.

It is an arithmetic number, because the mean of its divisors is an integer number (311196600).

Almost surely, 2^12923647488 is an apocalyptic number.

12923647488 is a gapful number since it is divisible by the number (18) 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 12923647488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18671796000).

12923647488 is an abundant number, since it is smaller than the sum of its proper divisors (24419944512).

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

12923647488 is a wasteful number, since it uses less digits than its factorization.

12923647488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3412 (or 3393 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 54.

The spelling of 12923647488 in words is "twelve billion, nine hundred twenty-three million, six hundred forty-seven thousand, four hundred eighty-eight".