13368881 has 4 divisors (see below), whose sum is σ = 13465200. Its totient is φ = 13272564.

The previous prime is 13368853. The next prime is 13368889. The reversal of 13368881 is 18886331.

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: 18886331 = 43 ⋅439217.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13368881 is a prime.

It is a super-2 number, since 2×13368881² = 357453958384322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13368889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47951 + ... + 48228.

It is an arithmetic number, because the mean of its divisors is an integer number (3366300).

Almost surely, 2^13368881 is an apocalyptic number.

It is an amenable number.

13368881 is a deficient number, since it is larger than the sum of its proper divisors (96319).

13368881 is an equidigital number, since it uses as much as digits as its factorization.

13368881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96318.

The product of its digits is 27648, while the sum is 38.

The square root of 13368881 is about 3656.3480414206. The cubic root of 13368881 is about 237.3367653963.

The spelling of 13368881 in words is "thirteen million, three hundred sixty-eight thousand, eight hundred eighty-one".