14441681 has 4 divisors (see below), whose sum is σ = 14939700. Its totient is φ = 13943664.

The previous prime is 14441641. The next prime is 14441699. The reversal of 14441681 is 18614441.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7728400 + 6713281 = 2780^2 + 2591^2 .

It is not a de Polignac number, because 14441681 - 2⁶ = 14441617 is a prime.

It is a super-2 number, since 2×14441681² = 417124300211522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 497989 = 14441681 / (1 + 4 + 4 + 4 + 1 + 6 + 8 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14441641) 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, 248966 + ... + 249023.

It is an arithmetic number, because the mean of its divisors is an integer number (3734925).

Almost surely, 2^14441681 is an apocalyptic number.

It is an amenable number.

14441681 is a deficient number, since it is larger than the sum of its proper divisors (498019).

14441681 is an equidigital number, since it uses as much as digits as its factorization.

14441681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498018.

The product of its digits is 3072, while the sum is 29.

The square root of 14441681 is about 3800.2211777737. The cubic root of 14441681 is about 243.5225872819.

It can be divided in two parts, 1444 and 1681, that multiplied together give a square (2427364 = 1558²).

The spelling of 14441681 in words is "fourteen million, four hundred forty-one thousand, six hundred eighty-one".