13000030645 has 24 divisors (see below), whose sum is σ = 18939060864. Its totient is φ = 8389929216.

The previous prime is 13000030643. The next prime is 13000030657. The reversal of 13000030645 is 54603000031.

It is not a de Polignac number, because 13000030645 - 2¹ = 13000030643 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13000030643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 632497 + ... + 652726.

It is an arithmetic number, because the mean of its divisors is an integer number (789127536).

Almost surely, 2^13000030645 is an apocalyptic number.

It is an amenable number.

13000030645 is a deficient number, since it is larger than the sum of its proper divisors (5939030219).

13000030645 is a wasteful number, since it uses less digits than its factorization.

13000030645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285269 (or 1285252 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

Adding to 13000030645 its reverse (54603000031), we get a palindrome (67603030676).

The spelling of 13000030645 in words is "thirteen billion, thirty thousand, six hundred forty-five".