13489560720 has 640 divisors, whose sum is σ = 52796620800. Its totient is φ = 3147724800.

The previous prime is 13489560653. The next prime is 13489560731. The reversal of 13489560720 is 2706598431.

13489560720 is a `hidden beast` number, since 1 + 3 + 4 + 89 + 560 + 7 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 29261290 + ... + 29261750.

It is an arithmetic number, because the mean of its divisors is an integer number (82494720).

It is a 1-persistent number, because it is pandigital, but 2⋅13489560720 = 26979121440 is not.

Almost surely, 2^13489560720 is an apocalyptic number.

13489560720 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 13489560720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26398310400).

13489560720 is an abundant number, since it is smaller than the sum of its proper divisors (39307060080).

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

13489560720 is a wasteful number, since it uses less digits than its factorization.

13489560720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556 (or 544 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 13489560720 in words is "thirteen billion, four hundred eighty-nine million, five hundred sixty thousand, seven hundred twenty".