12654935244 has 72 divisors (see below), whose sum is σ = 36660798720. Its totient is φ = 3605598432.

The previous prime is 12654935243. The next prime is 12654935273. The reversal of 12654935244 is 44253945621.

12654935244 is a `hidden beast` number, since 12 + 6 + 549 + 3 + 52 + 44 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 12654935244.

It is not an unprimeable number, because it can be changed into a prime (12654935243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20527 + ... + 160409.

It is an arithmetic number, because the mean of its divisors is an integer number (509177760).

Almost surely, 2^12654935244 is an apocalyptic number.

12654935244 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 12654935244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18330399360).

12654935244 is an abundant number, since it is smaller than the sum of its proper divisors (24005863476).

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

12654935244 is a wasteful number, since it uses less digits than its factorization.

12654935244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140259 (or 140254 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

The spelling of 12654935244 in words is "twelve billion, six hundred fifty-four million, nine hundred thirty-five thousand, two hundred forty-four".