12928532503 has 8 divisors (see below), whose sum is σ = 12975428288. Its totient is φ = 12881700864.

The previous prime is 12928532467. The next prime is 12928532557. The reversal of 12928532503 is 30523582921.

It is a happy number.

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 12928532503 - 2⁹ = 12928531991 is a prime.

It is a super-2 number, since 2×12928532503² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12928562503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 407875 + ... + 438427.

It is an arithmetic number, because the mean of its divisors is an integer number (1621928536).

Almost surely, 2^12928532503 is an apocalyptic number.

12928532503 is a deficient number, since it is larger than the sum of its proper divisors (46895785).

12928532503 is a wasteful number, since it uses less digits than its factorization.

12928532503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32073.

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 12928532503 in words is "twelve billion, nine hundred twenty-eight million, five hundred thirty-two thousand, five hundred three".