12685482533 has 4 divisors (see below), whose sum is σ = 12994884588. Its totient is φ = 12376080480.

The previous prime is 12685482527. The next prime is 12685482539. The reversal of 12685482533 is 33528458621.

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

It is an interprime number because it is at equal distance from previous prime (12685482527) and next prime (12685482539).

It can be written as a sum of positive squares in 2 ways, for example, as 3100485124 + 9584997409 = 55682^2 + 97903^2 .

It is a cyclic number.

It is not a de Polignac number, because 12685482533 - 2¹² = 12685478437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12685482539) 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, 154700966 + ... + 154701047.

It is an arithmetic number, because the mean of its divisors is an integer number (3248721147).

Almost surely, 2^12685482533 is an apocalyptic number.

It is an amenable number.

12685482533 is a deficient number, since it is larger than the sum of its proper divisors (309402055).

12685482533 is an equidigital number, since it uses as much as digits as its factorization.

12685482533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309402054.

The product of its digits is 1382400, while the sum is 47.

The spelling of 12685482533 in words is "twelve billion, six hundred eighty-five million, four hundred eighty-two thousand, five hundred thirty-three".