13000203 has 8 divisors (see below), whose sum is σ = 19259600. Its totient is φ = 8666784.

The previous prime is 13000201. The next prime is 13000213. The reversal of 13000203 is 30200031.

It is a happy number.

13000203 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13000203 - 2¹ = 13000201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13000201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240718 + ... + 240771.

It is an arithmetic number, because the mean of its divisors is an integer number (2407450).

Almost surely, 2^13000203 is an apocalyptic number.

13000203 is a deficient number, since it is larger than the sum of its proper divisors (6259397).

13000203 is an equidigital number, since it uses as much as digits as its factorization.

13000203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481498 (or 481492 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 13000203 is about 3605.5794263891. The cubic root of 13000203 is about 235.1346926656.

Adding to 13000203 its reverse (30200031), we get a palindrome (43200234).

It can be divided in two parts, 13000 and 203, that added together give a triangular number (13203 = T₁₆₂).

The spelling of 13000203 in words is "thirteen million, two hundred three", and thus it is an aban number.