12852447582 has 64 divisors (see below), whose sum is σ = 28342810944. Its totient is φ = 3861181440.

The previous prime is 12852447497. The next prime is 12852447589. The reversal of 12852447582 is 28574425821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12852447589) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 641988 + ... + 661704.

It is an arithmetic number, because the mean of its divisors is an integer number (442856421).

Almost surely, 2^12852447582 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12852447582, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14171405472).

12852447582 is an abundant number, since it is smaller than the sum of its proper divisors (15490363362).

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

12852447582 is a wasteful number, since it uses less digits than its factorization.

12852447582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19933.

The product of its digits is 1433600, while the sum is 48.

The spelling of 12852447582 in words is "twelve billion, eight hundred fifty-two million, four hundred forty-seven thousand, five hundred eighty-two".