13204015245 has 24 divisors (see below), whose sum is σ = 22981945272. Its totient is φ = 7012915200.

The previous prime is 13204015241. The next prime is 13204015339. The reversal of 13204015245 is 54251040231.

13204015245 is a `hidden beast` number, since 13 + 2 + 0 + 401 + 5 + 245 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 5779952676 + 7424062569 = 76026^2 + 86163^2 .

It is not a de Polignac number, because 13204015245 - 2² = 13204015241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13204015241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 597916 + ... + 619605.

It is an arithmetic number, because the mean of its divisors is an integer number (957581053).

Almost surely, 2^13204015245 is an apocalyptic number.

13204015245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13204015245 is a deficient number, since it is larger than the sum of its proper divisors (9777930027).

13204015245 is a wasteful number, since it uses less digits than its factorization.

13204015245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217773 (or 1217770 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 13204015245 its reverse (54251040231), we get a palindrome (67455055476).

The spelling of 13204015245 in words is "thirteen billion, two hundred four million, fifteen thousand, two hundred forty-five".