13001203 has 4 divisors (see below), whose sum is σ = 13157928. Its totient is φ = 12844480.

The previous prime is 13001173. The next prime is 13001213. The reversal of 13001203 is 30210031.

13001203 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30210031 = 5051 ⋅5981.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13001203 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 13001203.

It is not an unprimeable number, because it can be changed into a prime (13001213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78238 + ... + 78403.

It is an arithmetic number, because the mean of its divisors is an integer number (3289482).

Almost surely, 2^13001203 is an apocalyptic number.

13001203 is a deficient number, since it is larger than the sum of its proper divisors (156725).

13001203 is an equidigital number, since it uses as much as digits as its factorization.

13001203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156724.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 13001203 is about 3605.7180976887. The cubic root of 13001203 is about 235.1407215115.

Adding to 13001203 its reverse (30210031), we get a palindrome (43211234).

The spelling of 13001203 in words is "thirteen million, one thousand, two hundred three".