13000065651 has 16 divisors (see below), whose sum is σ = 19491400320. Its totient is φ = 8562290760.

The previous prime is 13000065649. The next prime is 13000065697. The reversal of 13000065651 is 15656000031.

It is a happy number.

13000065651 is a `hidden beast` number, since 1 + 3 + 0 + 0 + 0 + 0 + 6 + 5 + 651 = 666.

13000065651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13000065651 - 2¹ = 13000065649 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (13000065151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2898265 + ... + 2902746.

It is an arithmetic number, because the mean of its divisors is an integer number (1218212520).

Almost surely, 2^13000065651 is an apocalyptic number.

13000065651 is a deficient number, since it is larger than the sum of its proper divisors (6491334669).

13000065651 is an equidigital number, since it uses as much as digits as its factorization.

13000065651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5801103 (or 5801097 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

Adding to 13000065651 its reverse (15656000031), we get a palindrome (28656065682).

The spelling of 13000065651 in words is "thirteen billion, sixty-five thousand, six hundred fifty-one".