12147203 has 2 divisors, whose sum is σ = 12147204. Its totient is φ = 12147202.

The previous prime is 12147173. The next prime is 12147221. The reversal of 12147203 is 30274121.

It is a strong prime.

It is an emirp because it is prime and its reverse (30274121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12147203 - 2⁶ = 12147139 is a prime.

It is not a weakly prime, because it can be changed into another prime (12147263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6073601 + 6073602.

It is an arithmetic number, because the mean of its divisors is an integer number (6073602).

Almost surely, 2^12147203 is an apocalyptic number.

12147203 is a deficient number, since it is larger than the sum of its proper divisors (1).

12147203 is an equidigital number, since it uses as much as digits as its factorization.

12147203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 12147203 is about 3485.2837761078. The cubic root of 12147203 is about 229.8751874796.

The spelling of 12147203 in words is "twelve million, one hundred forty-seven thousand, two hundred three".