12626652017 has 4 divisors (see below), whose sum is σ = 14430459456. Its totient is φ = 10822844580.

The previous prime is 12626652011. The next prime is 12626652023. The reversal of 12626652017 is 71025662621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71025662621 = 9323 ⋅7618327.

It is an interprime number because it is at equal distance from previous prime (12626652011) and next prime (12626652023).

It is a cyclic number.

It is not a de Polignac number, because 12626652017 - 2²² = 12622457713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12626652011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 901903709 + ... + 901903722.

It is an arithmetic number, because the mean of its divisors is an integer number (3607614864).

Almost surely, 2^12626652017 is an apocalyptic number.

It is an amenable number.

12626652017 is a deficient number, since it is larger than the sum of its proper divisors (1803807439).

12626652017 is an equidigital number, since it uses as much as digits as its factorization.

12626652017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1803807438.

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 12626652017 in words is "twelve billion, six hundred twenty-six million, six hundred fifty-two thousand, seventeen".