13002384785 has 16 divisors (see below), whose sum is σ = 17257222416. Its totient is φ = 9342252288.

The previous prime is 13002384781. The next prime is 13002384821. The reversal of 13002384785 is 58748320031.

It is a Cunningham number, because it is equal to 114028²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 1 + 13002384784 = 1^2 + 114028^2 .

It is a cyclic number.

It is not a de Polignac number, because 13002384785 - 2² = 13002384781 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13002384781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2700794 + ... + 2705603.

It is an arithmetic number, because the mean of its divisors is an integer number (1078576401).

Almost surely, 2^13002384785 is an apocalyptic number.

It is an amenable number.

13002384785 is a deficient number, since it is larger than the sum of its proper divisors (4254837631).

13002384785 is a wasteful number, since it uses less digits than its factorization.

13002384785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5406452.

The product of its (nonzero) digits is 161280, while the sum is 41.

The spelling of 13002384785 in words is "thirteen billion, two million, three hundred eighty-four thousand, seven hundred eighty-five".