13004430655 has 8 divisors (see below), whose sum is σ = 15651625392. Its totient is φ = 10372672128.

The previous prime is 13004430643. The next prime is 13004430689. The reversal of 13004430655 is 55603440031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13004430655 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3857197 + ... + 3860566.

It is an arithmetic number, because the mean of its divisors is an integer number (1956453174).

Almost surely, 2^13004430655 is an apocalyptic number.

13004430655 is a deficient number, since it is larger than the sum of its proper divisors (2647194737).

13004430655 is an equidigital number, since it uses as much as digits as its factorization.

13004430655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7718105.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 13004430655 its reverse (55603440031), we get a palindrome (68607870686).

The spelling of 13004430655 in words is "thirteen billion, four million, four hundred thirty thousand, six hundred fifty-five".