14043661 has 4 divisors (see below), whose sum is σ = 14056252. Its totient is φ = 14031072.

The previous prime is 14043613. The next prime is 14043677. The reversal of 14043661 is 16634041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16634041 = 17 ⋅978473.

It can be written as a sum of positive squares in 2 ways, for example, as 7257636 + 6786025 = 2694^2 + 2605^2 .

It is a cyclic number.

It is not a de Polignac number, because 14043661 - 2⁹ = 14043149 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 (14043611) 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, 4440 + ... + 6913.

It is an arithmetic number, because the mean of its divisors is an integer number (3514063).

Almost surely, 2^14043661 is an apocalyptic number.

It is an amenable number.

14043661 is a deficient number, since it is larger than the sum of its proper divisors (12591).

14043661 is a wasteful number, since it uses less digits than its factorization.

14043661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12590.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 14043661 is about 3747.4872915061. The cubic root of 14043661 is about 241.2645121788.

The spelling of 14043661 in words is "fourteen million, forty-three thousand, six hundred sixty-one".