13641161 has 8 divisors (see below), whose sum is σ = 13894848. Its totient is φ = 13390000.

The previous prime is 13641149. The next prime is 13641169. The reversal of 13641161 is 16114631.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13641161 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 (13641169) 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, 12716 + ... + 13746.

It is an arithmetic number, because the mean of its divisors is an integer number (1736856).

Almost surely, 2^13641161 is an apocalyptic number.

It is an amenable number.

13641161 is a deficient number, since it is larger than the sum of its proper divisors (253687).

13641161 is a wasteful number, since it uses less digits than its factorization.

13641161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263.

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

The square root of 13641161 is about 3693.3942383667. The cubic root of 13641161 is about 238.9372044894.

Adding to 13641161 its reverse (16114631), we get a palindrome (29755792).

The spelling of 13641161 in words is "thirteen million, six hundred forty-one thousand, one hundred sixty-one".