13655203 has 4 divisors (see below), whose sum is σ = 13859080. Its totient is φ = 13451328.

The previous prime is 13655197. The next prime is 13655207. The reversal of 13655203 is 30255631.

It is a happy number.

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 13655203 - 2⁵ = 13655171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13655207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101838 + ... + 101971.

It is an arithmetic number, because the mean of its divisors is an integer number (3464770).

Almost surely, 2^13655203 is an apocalyptic number.

13655203 is a deficient number, since it is larger than the sum of its proper divisors (203877).

13655203 is an equidigital number, since it uses as much as digits as its factorization.

13655203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203876.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 13655203 is about 3695.2947108451. The cubic root of 13655203 is about 239.0191624605.

The spelling of 13655203 in words is "thirteen million, six hundred fifty-five thousand, two hundred three".