13581246952 has 96 divisors (see below), whose sum is σ = 31693550400. Its totient is φ = 5342118912.

The previous prime is 13581246937. The next prime is 13581246953. The reversal of 13581246952 is 25964218531.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (13581246953) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1690048 + ... + 1698064.

It is an arithmetic number, because the mean of its divisors is an integer number (330141150).

Almost surely, 2^13581246952 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 13581246952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15846775200).

13581246952 is an abundant number, since it is smaller than the sum of its proper divisors (18112303448).

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

13581246952 is a wasteful number, since it uses less digits than its factorization.

13581246952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8235 (or 8218 counting only the distinct ones).

The product of its digits is 518400, while the sum is 46.

The spelling of 13581246952 in words is "thirteen billion, five hundred eighty-one million, two hundred forty-six thousand, nine hundred fifty-two".