13247203 has 2 divisors, whose sum is σ = 13247204. Its totient is φ = 13247202.

The previous prime is 13247197. The next prime is 13247207. The reversal of 13247203 is 30274231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13247203 - 2⁹ = 13246691 is a prime.

It is not a weakly prime, because it can be changed into another prime (13247207) 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, 6623601 + 6623602.

It is an arithmetic number, because the mean of its divisors is an integer number (6623602).

Almost surely, 2^13247203 is an apocalyptic number.

13247203 is a deficient number, since it is larger than the sum of its proper divisors (1).

13247203 is an equidigital number, since it uses as much as digits as its factorization.

13247203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 13247203 is about 3639.6707268653. The cubic root of 13247203 is about 236.6145228859.

It can be divided in two parts, 1 and 3247203, that added together give a square (3247204 = 1802²).

The spelling of 13247203 in words is "thirteen million, two hundred forty-seven thousand, two hundred three".