13243203 has 16 divisors (see below), whose sum is σ = 19676800. Its totient is φ = 8803080.

The previous prime is 13243201. The next prime is 13243211. The reversal of 13243203 is 30234231.

It is not a de Polignac number, because 13243203 - 2¹ = 13243201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13243201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14988 + ... + 15846.

It is an arithmetic number, because the mean of its divisors is an integer number (1229800).

Almost surely, 2^13243203 is an apocalyptic number.

13243203 is a deficient number, since it is larger than the sum of its proper divisors (6433597).

13243203 is an equidigital number, since it uses as much as digits as its factorization.

13243203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1439 (or 1433 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 13243203 is about 3639.1211851215. The cubic root of 13243203 is about 236.5907051948.

Adding to 13243203 its reverse (30234231), we get a palindrome (43477434).

The spelling of 13243203 in words is "thirteen million, two hundred forty-three thousand, two hundred three".