13726181 has 8 divisors (see below), whose sum is σ = 15745920. Its totient is φ = 11721168.

The previous prime is 13726169. The next prime is 13726187. The reversal of 13726181 is 18162731.

13726181 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 13726181 - 2¹⁴ = 13709797 is a prime.

It is a super-2 number, since 2×13726181² = 376816089689522, which contains 22 as substring.

It is a pancake number, because a pancake can be divided into 13726181 parts by 5239 straight cuts.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13726187) 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 7 ways as a sum of consecutive naturals, for example, 1601 + ... + 5478.

It is an arithmetic number, because the mean of its divisors is an integer number (1968240).

Almost surely, 2^13726181 is an apocalyptic number.

It is an amenable number.

13726181 is a deficient number, since it is larger than the sum of its proper divisors (2019739).

13726181 is an equidigital number, since it uses as much as digits as its factorization.

13726181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7363.

The product of its digits is 2016, while the sum is 29.

The square root of 13726181 is about 3704.8860981142. The cubic root of 13726181 is about 239.4325773460.

The spelling of 13726181 in words is "thirteen million, seven hundred twenty-six thousand, one hundred eighty-one".