13803105 has 16 divisors (see below), whose sum is σ = 23045760. Its totient is φ = 7041408.

The previous prime is 13803089. The next prime is 13803121. The reversal of 13803105 is 50130831.

It is a happy number.

13803105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13803089) and next prime (13803121).

It is not a de Polignac number, because 13803105 - 2⁴ = 13803089 is a prime.

13803105 is a modest number, since divided by 3105 gives 1380 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19660 + ... + 20349.

It is an arithmetic number, because the mean of its divisors is an integer number (1440360).

Almost surely, 2^13803105 is an apocalyptic number.

13803105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13803105 is a deficient number, since it is larger than the sum of its proper divisors (9242655).

13803105 is a wasteful number, since it uses less digits than its factorization.

13803105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40040.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 13803105 is about 3715.2530196475. The cubic root of 13803105 is about 239.8790188862.

Adding to 13803105 its reverse (50130831), we get a palindrome (63933936).

It can be divided in two parts, 1380 and 3105, that multiplied together give a square (4284900 = 2070²).

The spelling of 13803105 in words is "thirteen million, eight hundred three thousand, one hundred five".