13113203 has 4 divisors (see below), whose sum is σ = 13297968. Its totient is φ = 12928440.

The previous prime is 13113181. The next prime is 13113223. The reversal of 13113203 is 30231131.

13113203 is digitally balanced in base 2, 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.

It is a cyclic number.

It is not a de Polignac number, because 13113203 - 2⁸ = 13112947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13113223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92276 + ... + 92417.

It is an arithmetic number, because the mean of its divisors is an integer number (3324492).

Almost surely, 2^13113203 is an apocalyptic number.

13113203 is a deficient number, since it is larger than the sum of its proper divisors (184765).

13113203 is an equidigital number, since it uses as much as digits as its factorization.

13113203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184764.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 13113203 is about 3621.2156798512. The cubic root of 13113203 is about 235.8140052778.

Adding to 13113203 its reverse (30231131), we get a palindrome (43344334).

The spelling of 13113203 in words is "thirteen million, one hundred thirteen thousand, two hundred three".