12724799305 has 8 divisors (see below), whose sum is σ = 15453732672. Its totient is φ = 10057190448.

The previous prime is 12724799303. The next prime is 12724799359. The reversal of 12724799305 is 50399742721.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12724799305 - 2¹ = 12724799303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12724799303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15330669 + ... + 15331498.

It is an arithmetic number, because the mean of its divisors is an integer number (1931716584).

Almost surely, 2^12724799305 is an apocalyptic number.

It is an amenable number.

12724799305 is a deficient number, since it is larger than the sum of its proper divisors (2728933367).

12724799305 is an equidigital number, since it uses as much as digits as its factorization.

12724799305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30662255.

The product of its (nonzero) digits is 952560, while the sum is 49.

The spelling of 12724799305 in words is "twelve billion, seven hundred twenty-four million, seven hundred ninety-nine thousand, three hundred five".