13155203 has 4 divisors (see below), whose sum is σ = 13164528. Its totient is φ = 13145880.

The previous prime is 13155193. The next prime is 13155209. The reversal of 13155203 is 30255131.

13155203 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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 13155203 - 2⁶ = 13155139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13155209) 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, 2063 + ... + 5528.

It is an arithmetic number, because the mean of its divisors is an integer number (3291132).

Almost surely, 2^13155203 is an apocalyptic number.

13155203 is a deficient number, since it is larger than the sum of its proper divisors (9325).

13155203 is an equidigital number, since it uses as much as digits as its factorization.

13155203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9324.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 13155203 is about 3627.0102012539. The cubic root of 13155203 is about 236.0654981949.

The spelling of 13155203 in words is "thirteen million, one hundred fifty-five thousand, two hundred three".