13543161 has 16 divisors (see below), whose sum is σ = 18695040. Its totient is φ = 8714880.

The previous prime is 13543139. The next prime is 13543177. The reversal of 13543161 is 16134531.

It is not a de Polignac number, because 13543161 - 2¹⁸ = 13281017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13543111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12135 + ... + 13203.

It is an arithmetic number, because the mean of its divisors is an integer number (1168440).

Almost surely, 2^13543161 is an apocalyptic number.

It is an amenable number.

13543161 is a deficient number, since it is larger than the sum of its proper divisors (5151879).

13543161 is a wasteful number, since it uses less digits than its factorization.

13543161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216.

The product of its digits is 1080, while the sum is 24.

The square root of 13543161 is about 3680.1033952866. The cubic root of 13543161 is about 238.3636427241.

Adding to 13543161 its reverse (16134531), we get a palindrome (29677692).

The spelling of 13543161 in words is "thirteen million, five hundred forty-three thousand, one hundred sixty-one".