12613248249 has 16 divisors (see below), whose sum is σ = 20231777280. Its totient is φ = 6828224400.

The previous prime is 12613248223. The next prime is 12613248253. The reversal of 12613248249 is 94284231621.

It is a happy number.

It is not a de Polignac number, because 12613248249 - 2⁵ = 12613248217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12613248249.

It is not an unprimeable number, because it can be changed into a prime (12613248289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15805677 + ... + 15806474.

It is an arithmetic number, because the mean of its divisors is an integer number (1264486080).

Almost surely, 2^12613248249 is an apocalyptic number.

12613248249 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

12613248249 is a deficient number, since it is larger than the sum of its proper divisors (7618529031).

12613248249 is a wasteful number, since it uses less digits than its factorization.

12613248249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31612180.

The product of its digits is 165888, while the sum is 42.

The spelling of 12613248249 in words is "twelve billion, six hundred thirteen million, two hundred forty-eight thousand, two hundred forty-nine".