13603113 has 8 divisors (see below), whose sum is σ = 20152800. Its totient is φ = 9068724.

The previous prime is 13603067. The next prime is 13603129. The reversal of 13603113 is 31130631.

13603113 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 13603113 - 2⁶ = 13603049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13603153) 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, 251883 + ... + 251936.

It is an arithmetic number, because the mean of its divisors is an integer number (2519100).

Almost surely, 2^13603113 is an apocalyptic number.

It is an amenable number.

13603113 is a deficient number, since it is larger than the sum of its proper divisors (6549687).

13603113 is an equidigital number, since it uses as much as digits as its factorization.

13603113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503828 (or 503822 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 13603113 is about 3688.2398240895. The cubic root of 13603113 is about 238.7148493156.

Adding to 13603113 its reverse (31130631), we get a palindrome (44733744).

The spelling of 13603113 in words is "thirteen million, six hundred three thousand, one hundred thirteen".