12652957505 has 8 divisors (see below), whose sum is σ = 15391543272. Its totient is φ = 9983703168.

The previous prime is 12652957481. The next prime is 12652957529. The reversal of 12652957505 is 50575925621.

12652957505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12652957481) and next prime (12652957529).

It can be written as a sum of positive squares in 4 ways, for example, as 3915755776 + 8737201729 = 62576^2 + 93473^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12652957505 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 12652957505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17332454 + ... + 17333183.

It is an arithmetic number, because the mean of its divisors is an integer number (1923942909).

Almost surely, 2^12652957505 is an apocalyptic number.

It is an amenable number.

12652957505 is a deficient number, since it is larger than the sum of its proper divisors (2738585767).

12652957505 is an equidigital number, since it uses as much as digits as its factorization.

12652957505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34665715.

The product of its (nonzero) digits is 945000, while the sum is 47.

The spelling of 12652957505 in words is "twelve billion, six hundred fifty-two million, nine hundred fifty-seven thousand, five hundred five".