13881093 has 4 divisors (see below), whose sum is σ = 18508128. Its totient is φ = 9254060.

The previous prime is 13881089. The next prime is 13881097. The reversal of 13881093 is 39018831.

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.

It is an interprime number because it is at equal distance from previous prime (13881089) and next prime (13881097).

It is a cyclic number.

It is not a de Polignac number, because 13881093 - 2² = 13881089 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13881097) 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, 2313513 + ... + 2313518.

It is an arithmetic number, because the mean of its divisors is an integer number (4627032).

Almost surely, 2^13881093 is an apocalyptic number.

It is an amenable number.

13881093 is a deficient number, since it is larger than the sum of its proper divisors (4627035).

13881093 is an equidigital number, since it uses as much as digits as its factorization.

13881093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4627034.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 13881093 is about 3725.7338874375. The cubic root of 13881093 is about 240.3299454976.

The spelling of 13881093 in words is "thirteen million, eight hundred eighty-one thousand, ninety-three".