13018350852 has 72 divisors (see below), whose sum is σ = 35498002176. Its totient is φ = 3998960064.

The previous prime is 13018350847. The next prime is 13018350853. The reversal of 13018350852 is 25805381031.

13018350852 is a `hidden beast` number, since 130 + 18 + 3 + 508 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (13018350853) 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, 261163 + ... + 306989.

It is an arithmetic number, because the mean of its divisors is an integer number (493027808).

Almost surely, 2^13018350852 is an apocalyptic number.

13018350852 is a gapful number since it is divisible by the number (12) 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 13018350852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17749001088).

13018350852 is an abundant number, since it is smaller than the sum of its proper divisors (22479651324).

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

13018350852 is a wasteful number, since it uses less digits than its factorization.

13018350852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46457 (or 46452 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The spelling of 13018350852 in words is "thirteen billion, eighteen million, three hundred fifty thousand, eight hundred fifty-two".