13250517280 has 576 divisors, whose sum is σ = 43784229888. Its totient is φ = 3723632640.

The previous prime is 13250517239. The next prime is 13250517323. The reversal of 13250517280 is 8271505231.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 59419249 + ... + 59419471.

It is an arithmetic number, because the mean of its divisors is an integer number (76014288).

Almost surely, 2^13250517280 is an apocalyptic number.

13250517280 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 13250517280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21892114944).

13250517280 is an abundant number, since it is smaller than the sum of its proper divisors (30533712608).

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

13250517280 is a wasteful number, since it uses less digits than its factorization.

13250517280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329 (or 314 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 34.

It can be divided in two parts, 1325051 and 7280, that added together give a palindrome (1332331).

The spelling of 13250517280 in words is "thirteen billion, two hundred fifty million, five hundred seventeen thousand, two hundred eighty".