12880528633 has 4 divisors (see below), whose sum is σ = 14720604160. Its totient is φ = 11040453108.

The previous prime is 12880528631. The next prime is 12880528637. The reversal of 12880528633 is 33682508821.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 12880528633 - 2¹ = 12880528631 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12880528631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 920037753 + ... + 920037766.

It is an arithmetic number, because the mean of its divisors is an integer number (3680151040).

Almost surely, 2^12880528633 is an apocalyptic number.

It is an amenable number.

12880528633 is a deficient number, since it is larger than the sum of its proper divisors (1840075527).

12880528633 is an equidigital number, since it uses as much as digits as its factorization.

12880528633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1840075526.

The product of its (nonzero) digits is 552960, while the sum is 46.

The spelling of 12880528633 in words is "twelve billion, eight hundred eighty million, five hundred twenty-eight thousand, six hundred thirty-three".