14043681 has 6 divisors (see below), whose sum is σ = 20285330. Its totient is φ = 9362448.

The previous prime is 14043677. The next prime is 14043691. The reversal of 14043681 is 18634041.

It can be written as a sum of positive squares in only one way, i.e., 12960000 + 1083681 = 3600^2 + 1041^2 .

It is not a de Polignac number, because 14043681 - 2² = 14043677 is a prime.

It is a super-2 number, since 2×14043681² = 394449952059522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14043611) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 780196 + ... + 780213.

Almost surely, 2^14043681 is an apocalyptic number.

It is an amenable number.

14043681 is a deficient number, since it is larger than the sum of its proper divisors (6241649).

14043681 is a wasteful number, since it uses less digits than its factorization.

14043681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1560415 (or 1560412 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 14043681 is about 3747.4899599599. The cubic root of 14043681 is about 241.2646267094.

The spelling of 14043681 in words is "fourteen million, forty-three thousand, six hundred eighty-one".