12972803 has 2 divisors, whose sum is σ = 12972804. Its totient is φ = 12972802.

The previous prime is 12972781. The next prime is 12972811. The reversal of 12972803 is 30827921.

12972803 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12972803 - 2²² = 8778499 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12972803.

It is not a weakly prime, because it can be changed into another prime (12972833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6486401 + 6486402.

It is an arithmetic number, because the mean of its divisors is an integer number (6486402).

Almost surely, 2^12972803 is an apocalyptic number.

12972803 is a deficient number, since it is larger than the sum of its proper divisors (1).

12972803 is an equidigital number, since it uses as much as digits as its factorization.

12972803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 12972803 is about 3601.7777554980. Note that the first 4 decimals coincide. The cubic root of 12972803 is about 234.9693818567.

The spelling of 12972803 in words is "twelve million, nine hundred seventy-two thousand, eight hundred three".