14120891 has 4 divisors (see below), whose sum is σ = 14151984. Its totient is φ = 14089800.

The previous prime is 14120881. The next prime is 14120917. The reversal of 14120891 is 19802141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19802141 = 37 ⋅535193.

It is a cyclic number.

It is not a de Polignac number, because 14120891 - 2¹⁴ = 14104507 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14120891.

It is not an unprimeable number, because it can be changed into a prime (14120831) 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, 14855 + ... + 15776.

It is an arithmetic number, because the mean of its divisors is an integer number (3537996).

Almost surely, 2^14120891 is an apocalyptic number.

14120891 is a deficient number, since it is larger than the sum of its proper divisors (31093).

14120891 is an equidigital number, since it uses as much as digits as its factorization.

14120891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31092.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 14120891 is about 3757.7774016032. Note that the first 3 decimals coincide. The cubic root of 14120891 is about 241.7059641736.

The spelling of 14120891 in words is "fourteen million, one hundred twenty thousand, eight hundred ninety-one".