12724566949 has 8 divisors (see below), whose sum is σ = 12998684160. Its totient is φ = 12450590736.

The previous prime is 12724566919. The next prime is 12724566973. The reversal of 12724566949 is 94966542721.

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 12724566949 - 2⁵ = 12724566917 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12724566949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12724566919) 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, 158527 + ... + 224899.

It is an arithmetic number, because the mean of its divisors is an integer number (1624835520).

Almost surely, 2^12724566949 is an apocalyptic number.

It is an amenable number.

12724566949 is a deficient number, since it is larger than the sum of its proper divisors (274117211).

12724566949 is an equidigital number, since it uses as much as digits as its factorization.

12724566949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70499.

The product of its digits is 6531840, while the sum is 55.

The spelling of 12724566949 in words is "twelve billion, seven hundred twenty-four million, five hundred sixty-six thousand, nine hundred forty-nine".