12947420803 has 4 divisors (see below), whose sum is σ = 12947993848. Its totient is φ = 12946847760.

The previous prime is 12947420749. The next prime is 12947420839. The reversal of 12947420803 is 30802474921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30802474921 = 139 ⋅221600539.

It is a cyclic number.

It is not a de Polignac number, because 12947420803 - 2¹⁷ = 12947289731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12947480803) 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, 251178 + ... + 298303.

It is an arithmetic number, because the mean of its divisors is an integer number (3236998462).

Almost surely, 2^12947420803 is an apocalyptic number.

12947420803 is a deficient number, since it is larger than the sum of its proper divisors (573045).

12947420803 is an equidigital number, since it uses as much as digits as its factorization.

12947420803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573044.

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 12947420803 in words is "twelve billion, nine hundred forty-seven million, four hundred twenty thousand, eight hundred three".