12647248903 has 4 divisors (see below), whose sum is σ = 12836013880. Its totient is φ = 12458483928.

The previous prime is 12647248883. The next prime is 12647248907. The reversal of 12647248903 is 30984274621.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30984274621 = 36607 ⋅846403.

It is a cyclic number.

It is not a de Polignac number, because 12647248903 - 2⁵ = 12647248871 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 (12647248907) 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, 94382388 + ... + 94382521.

It is an arithmetic number, because the mean of its divisors is an integer number (3209003470).

Almost surely, 2^12647248903 is an apocalyptic number.

12647248903 is a deficient number, since it is larger than the sum of its proper divisors (188764977).

12647248903 is an equidigital number, since it uses as much as digits as its factorization.

12647248903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188764976.

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 12647248903 in words is "twelve billion, six hundred forty-seven million, two hundred forty-eight thousand, nine hundred three".