13403105 has 8 divisors (see below), whose sum is σ = 16476264. Its totient is φ = 10460800.

The previous prime is 13403101. The next prime is 13403107. The reversal of 13403105 is 50130431.

It can be written as a sum of positive squares in 4 ways, for example, as 1132096 + 12271009 = 1064^2 + 3503^2 .

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

It is not a de Polignac number, because 13403105 - 2² = 13403101 is a prime.

It is a super-3 number, since 3×13403105³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13403101) 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 7 ways as a sum of consecutive naturals, for example, 32486 + ... + 32895.

It is an arithmetic number, because the mean of its divisors is an integer number (2059533).

Almost surely, 2^13403105 is an apocalyptic number.

It is an amenable number.

13403105 is a deficient number, since it is larger than the sum of its proper divisors (3073159).

13403105 is an equidigital number, since it uses as much as digits as its factorization.

13403105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65427.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 13403105 is about 3661.0251296597. The cubic root of 13403105 is about 237.5391182103.

Adding to 13403105 its reverse (50130431), we get a palindrome (63533536).

The spelling of 13403105 in words is "thirteen million, four hundred three thousand, one hundred five".