12724727371 has 4 divisors (see below), whose sum is σ = 12731963200. Its totient is φ = 12717491544.

The previous prime is 12724727321. The next prime is 12724727401. The reversal of 12724727371 is 17372742721.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12724727371 - 2¹¹ = 12724725323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12724727321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3615276 + ... + 3618793.

It is an arithmetic number, because the mean of its divisors is an integer number (3182990800).

Almost surely, 2^12724727371 is an apocalyptic number.

12724727371 is a deficient number, since it is larger than the sum of its proper divisors (7235829).

12724727371 is an equidigital number, since it uses as much as digits as its factorization.

12724727371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7235828.

The product of its digits is 230496, while the sum is 43.

The spelling of 12724727371 in words is "twelve billion, seven hundred twenty-four million, seven hundred twenty-seven thousand, three hundred seventy-one".