13622161 has 8 divisors (see below), whose sum is σ = 15611904. Its totient is φ = 11643360.

The previous prime is 13622153. The next prime is 13622177. The reversal of 13622161 is 16122631.

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 13622161 - 2³ = 13622153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13622101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141 + ... + 5221.

It is an arithmetic number, because the mean of its divisors is an integer number (1951488).

Almost surely, 2^13622161 is an apocalyptic number.

It is an amenable number.

13622161 is a deficient number, since it is larger than the sum of its proper divisors (1989743).

13622161 is an equidigital number, since it uses as much as digits as its factorization.

13622161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5471.

The product of its digits is 432, while the sum is 22.

The square root of 13622161 is about 3690.8211823387. The cubic root of 13622161 is about 238.8262189151.

Adding to 13622161 its reverse (16122631), we get a palindrome (29744792).

The spelling of 13622161 in words is "thirteen million, six hundred twenty-two thousand, one hundred sixty-one".