12724265651 has 8 divisors (see below), whose sum is σ = 12753074160. Its totient is φ = 12695490592.

The previous prime is 12724265647. The next prime is 12724265731. The reversal of 12724265651 is 15656242721.

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 12724265651 - 2² = 12724265647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12724265599 and 12724265608.

It is not an unprimeable number, because it can be changed into a prime (12724265051) 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, 849836 + ... + 864678.

It is an arithmetic number, because the mean of its divisors is an integer number (1594134270).

Almost surely, 2^12724265651 is an apocalyptic number.

12724265651 is a deficient number, since it is larger than the sum of its proper divisors (28808509).

12724265651 is a wasteful number, since it uses less digits than its factorization.

12724265651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16725.

The product of its digits is 201600, while the sum is 41.

The spelling of 12724265651 in words is "twelve billion, seven hundred twenty-four million, two hundred sixty-five thousand, six hundred fifty-one".