14273891 has 4 divisors (see below), whose sum is σ = 14382984. Its totient is φ = 14164800.

The previous prime is 14273873. The next prime is 14273899. The reversal of 14273891 is 19837241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19837241 = 31 ⋅639911.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14273891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14273899) 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, 54350 + ... + 54611.

It is an arithmetic number, because the mean of its divisors is an integer number (3595746).

Almost surely, 2^14273891 is an apocalyptic number.

14273891 is a deficient number, since it is larger than the sum of its proper divisors (109093).

14273891 is a wasteful number, since it uses less digits than its factorization.

14273891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109092.

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

The square root of 14273891 is about 3778.0803326557. The cubic root of 14273891 is about 242.5757923716.

The spelling of 14273891 in words is "fourteen million, two hundred seventy-three thousand, eight hundred ninety-one".