14087891 has 8 divisors (see below), whose sum is σ = 14909184. Its totient is φ = 13284040.

The previous prime is 14087819. The next prime is 14087897. The reversal of 14087891 is 19878041.

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

It is a cyclic number.

It is not a de Polignac number, because 14087891 - 2¹⁰ = 14086867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14087897) 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, 2681 + ... + 5946.

It is an arithmetic number, because the mean of its divisors is an integer number (1863648).

Almost surely, 2^14087891 is an apocalyptic number.

14087891 is a deficient number, since it is larger than the sum of its proper divisors (821293).

14087891 is an equidigital number, since it uses as much as digits as its factorization.

14087891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8721.

The product of its (nonzero) digits is 16128, while the sum is 38.

The square root of 14087891 is about 3753.3839398601. The cubic root of 14087891 is about 241.5175313442.

The spelling of 14087891 in words is "fourteen million, eighty-seven thousand, eight hundred ninety-one".