13803161 has 8 divisors (see below), whose sum is σ = 14173704. Its totient is φ = 13436800.

The previous prime is 13803143. The next prime is 13803169. The reversal of 13803161 is 16130831.

It can be written as a sum of positive squares in 4 ways, for example, as 1243225 + 12559936 = 1115^2 + 3544^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 13803161 - 2¹⁴ = 13786777 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13803169) 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, 6311 + ... + 8211.

It is an arithmetic number, because the mean of its divisors is an integer number (1771713).

Almost surely, 2^13803161 is an apocalyptic number.

It is an amenable number.

13803161 is a deficient number, since it is larger than the sum of its proper divisors (370543).

13803161 is a wasteful number, since it uses less digits than its factorization.

13803161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 13803161 is about 3715.2605561387. The cubic root of 13803161 is about 239.8793432868.

Adding to 13803161 its reverse (16130831), we get a palindrome (29933992).

The spelling of 13803161 in words is "thirteen million, eight hundred three thousand, one hundred sixty-one".