12807969503 has 4 divisors (see below), whose sum is σ = 14637679440. Its totient is φ = 10978259568.

The previous prime is 12807969481. The next prime is 12807969529. The reversal of 12807969503 is 30596970821.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12807969503 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 (12807969593) 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, 914854958 + ... + 914854971.

It is an arithmetic number, because the mean of its divisors is an integer number (3659419860).

Almost surely, 2^12807969503 is an apocalyptic number.

12807969503 is a deficient number, since it is larger than the sum of its proper divisors (1829709937).

12807969503 is an equidigital number, since it uses as much as digits as its factorization.

12807969503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1829709936.

The product of its (nonzero) digits is 816480, while the sum is 50.

The spelling of 12807969503 in words is "twelve billion, eight hundred seven million, nine hundred sixty-nine thousand, five hundred three".