13000252808500 has 96 divisors (see below), whose sum is σ = 28941191645184. Its totient is φ = 5100109200000.

The previous prime is 13000252808483. The next prime is 13000252808527. The reversal of 13000252808500 is 580825200031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9969325 + ... + 11197675.

It is an arithmetic number, because the mean of its divisors is an integer number (301470746304).

Almost surely, 2^{13000252808500} is an apocalyptic number.

13000252808500 is a gapful number since it is divisible by the number (10) 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 13000252808500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14470595822592).

13000252808500 is an abundant number, since it is smaller than the sum of its proper divisors (15940938836684).

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

13000252808500 is a wasteful number, since it uses less digits than its factorization.

13000252808500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228778 (or 1228766 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 34.

The spelling of 13000252808500 in words is "thirteen trillion, two hundred fifty-two million, eight hundred eight thousand, five hundred".