14005641 has 32 divisors (see below), whose sum is σ = 21732480. Its totient is φ = 7948800.

The previous prime is 14005619. The next prime is 14005697. The reversal of 14005641 is 14650041.

It is not a de Polignac number, because 14005641 - 2¹⁴ = 13989257 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14005601) 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 31 ways as a sum of consecutive naturals, for example, 30151 + ... + 30611.

It is an arithmetic number, because the mean of its divisors is an integer number (679140).

Almost surely, 2^14005641 is an apocalyptic number.

It is an amenable number.

14005641 is a deficient number, since it is larger than the sum of its proper divisors (7726839).

14005641 is a wasteful number, since it uses less digits than its factorization.

14005641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 14005641 is about 3742.4111211891. The cubic root of 14005641 is about 241.0465925768.

Adding to 14005641 its reverse (14650041), we get a palindrome (28655682).

The spelling of 14005641 in words is "fourteen million, five thousand, six hundred forty-one".