12925707655784 has 512 divisors, whose sum is σ = 33935708160000. Its totient is φ = 4464077184000.

The previous prime is 12925707655741. The next prime is 12925707655793. The reversal of 12925707655784 is 48755670752921.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1421809079 + ... + 1421818169.

It is an arithmetic number, because the mean of its divisors is an integer number (66280680000).

Almost surely, 2^{12925707655784} is an apocalyptic number.

12925707655784 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 12925707655784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16967854080000).

12925707655784 is an abundant number, since it is smaller than the sum of its proper divisors (21010000504216).

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

12925707655784 is a wasteful number, since it uses less digits than its factorization.

12925707655784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9293 (or 9289 counting only the distinct ones).

The product of its (nonzero) digits is 296352000, while the sum is 68.

The spelling of 12925707655784 in words is "twelve trillion, nine hundred twenty-five billion, seven hundred seven million, six hundred fifty-five thousand, seven hundred eighty-four".