13432161 has 16 divisors (see below), whose sum is σ = 19046016. Its totient is φ = 8401536.

The previous prime is 13432151. The next prime is 13432163. The reversal of 13432161 is 16123431.

It is not a de Polignac number, because 13432161 - 2⁵ = 13432129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13432163) 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 15 ways as a sum of consecutive naturals, for example, 1821 + ... + 5493.

It is an arithmetic number, because the mean of its divisors is an integer number (1190376).

Almost surely, 2^13432161 is an apocalyptic number.

It is an amenable number.

13432161 is a deficient number, since it is larger than the sum of its proper divisors (5613855).

13432161 is a wasteful number, since it uses less digits than its factorization.

13432161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3752.

The product of its digits is 432, while the sum is 21.

The square root of 13432161 is about 3664.9912687481. The cubic root of 13432161 is about 237.7106445133.

Adding to 13432161 its reverse (16123431), we get a palindrome (29555592).

The spelling of 13432161 in words is "thirteen million, four hundred thirty-two thousand, one hundred sixty-one".