13203113 has 8 divisors (see below), whose sum is σ = 16461120. Its totient is φ = 10288080.

The previous prime is 13203103. The next prime is 13203139. The reversal of 13203113 is 31130231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13203113 - 2¹⁸ = 12940969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13203103) 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 7 ways as a sum of consecutive naturals, for example, 85658 + ... + 85811.

It is an arithmetic number, because the mean of its divisors is an integer number (2057640).

Almost surely, 2^13203113 is an apocalyptic number.

It is an amenable number.

13203113 is a deficient number, since it is larger than the sum of its proper divisors (3258007).

13203113 is a wasteful number, since it uses less digits than its factorization.

13203113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171487.

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

The square root of 13203113 is about 3633.6088121866. The cubic root of 13203113 is about 236.3517270447.

Adding to 13203113 its reverse (31130231), we get a palindrome (44333344).

The spelling of 13203113 in words is "thirteen million, two hundred three thousand, one hundred thirteen".