12925695744 has 576 divisors, whose sum is σ = 44366246400. Its totient is φ = 3678732288.

The previous prime is 12925695707. The next prime is 12925695749. The reversal of 12925695744 is 44759652921.

It is a happy number.

12925695744 is a `hidden beast` number, since 1 + 2 + 9 + 2 + 5 + 69 + 574 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a super-2 number, since 2×12925695744² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12925695749) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 114386632 + ... + 114386744.

Almost surely, 2^12925695744 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 12925695744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22183123200).

12925695744 is an abundant number, since it is smaller than the sum of its proper divisors (31440550656).

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

12925695744 is a wasteful number, since it uses less digits than its factorization.

12925695744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 217 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 54.

The spelling of 12925695744 in words is "twelve billion, nine hundred twenty-five million, six hundred ninety-five thousand, seven hundred forty-four".