13681183 has 4 divisors (see below), whose sum is σ = 13972320. Its totient is φ = 13390048.

The previous prime is 13681163. The next prime is 13681211. The reversal of 13681183 is 38118631.

13681183 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13681183 - 2⁹ = 13680671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13681163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145498 + ... + 145591.

It is an arithmetic number, because the mean of its divisors is an integer number (3493080).

Almost surely, 2^13681183 is an apocalyptic number.

13681183 is a deficient number, since it is larger than the sum of its proper divisors (291137).

13681183 is an equidigital number, since it uses as much as digits as its factorization.

13681183 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291136.

The product of its digits is 3456, while the sum is 31.

The square root of 13681183 is about 3698.8083216085. The cubic root of 13681183 is about 239.1706501108.

The spelling of 13681183 in words is "thirteen million, six hundred eighty-one thousand, one hundred eighty-three".