12639627103 has 4 divisors (see below), whose sum is σ = 12720134440. Its totient is φ = 12559119768.

The previous prime is 12639627097. The next prime is 12639627113. The reversal of 12639627103 is 30172693621.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12639627103 - 2⁵ = 12639627071 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 (12639627113) 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, 40253433 + ... + 40253746.

It is an arithmetic number, because the mean of its divisors is an integer number (3180033610).

Almost surely, 2^12639627103 is an apocalyptic number.

12639627103 is a deficient number, since it is larger than the sum of its proper divisors (80507337).

12639627103 is an equidigital number, since it uses as much as digits as its factorization.

12639627103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80507336.

The product of its (nonzero) digits is 81648, while the sum is 40.

The spelling of 12639627103 in words is "twelve billion, six hundred thirty-nine million, six hundred twenty-seven thousand, one hundred three".