13880161 has 4 divisors (see below), whose sum is σ = 13953024. Its totient is φ = 13807300.

The previous prime is 13880149. The next prime is 13880227. The reversal of 13880161 is 16108831.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16108831 = 151 ⋅106681.

It is a cyclic number.

It is not a de Polignac number, because 13880161 - 2¹³ = 13871969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13880101) 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 3 ways as a sum of consecutive naturals, for example, 36145 + ... + 36526.

It is an arithmetic number, because the mean of its divisors is an integer number (3488256).

Almost surely, 2^13880161 is an apocalyptic number.

It is an amenable number.

13880161 is a deficient number, since it is larger than the sum of its proper divisors (72863).

13880161 is an equidigital number, since it uses as much as digits as its factorization.

13880161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72862.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 13880161 is about 3725.6088093089. The cubic root of 13880161 is about 240.3245666579.

Adding to 13880161 its reverse (16108831), we get a palindrome (29988992).

It can be divided in two parts, 13880 and 161, that added together give a palindrome (14041).

The spelling of 13880161 in words is "thirteen million, eight hundred eighty thousand, one hundred sixty-one".