14007689 has 4 divisors (see below), whose sum is σ = 14052756. Its totient is φ = 13962624.

The previous prime is 14007683. The next prime is 14007703. The reversal of 14007689 is 98670041.

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 1638400 + 12369289 = 1280^2 + 3517^2 .

It is a cyclic number.

It is not a de Polignac number, because 14007689 - 2¹⁶ = 13942153 is a prime.

It is a super-2 number, since 2×14007689² = 392430702241442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14007683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22064 + ... + 22689.

It is an arithmetic number, because the mean of its divisors is an integer number (3513189).

Almost surely, 2^14007689 is an apocalyptic number.

It is an amenable number.

14007689 is a deficient number, since it is larger than the sum of its proper divisors (45067).

14007689 is an equidigital number, since it uses as much as digits as its factorization.

14007689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45066.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 14007689 is about 3742.6847315797. The cubic root of 14007689 is about 241.0583411611.

The spelling of 14007689 in words is "fourteen million, seven thousand, six hundred eighty-nine".