14007891 has 8 divisors (see below), whose sum is σ = 18956224. Its totient is φ = 9199080.

The previous prime is 14007887. The next prime is 14007893. The reversal of 14007891 is 19870041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 14007891 - 2² = 14007887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14007893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34645 + ... + 35046.

It is an arithmetic number, because the mean of its divisors is an integer number (2369528).

Almost surely, 2^14007891 is an apocalyptic number.

14007891 is a deficient number, since it is larger than the sum of its proper divisors (4948333).

14007891 is an equidigital number, since it uses as much as digits as its factorization.

14007891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69761.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 14007891 is about 3742.7117174583. The cubic root of 14007891 is about 241.0594998950.

The spelling of 14007891 in words is "fourteen million, seven thousand, eight hundred ninety-one".