14067891 has 16 divisors (see below), whose sum is σ = 22068000. Its totient is φ = 8826624.

The previous prime is 14067887. The next prime is 14067943. The reversal of 14067891 is 19876041.

14067891 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 14067891 - 2² = 14067887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14067811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14866 + ... + 15783.

It is an arithmetic number, because the mean of its divisors is an integer number (1379250).

Almost surely, 2^14067891 is an apocalyptic number.

14067891 is a deficient number, since it is larger than the sum of its proper divisors (8000109).

14067891 is a wasteful number, since it uses less digits than its factorization.

14067891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30675 (or 30669 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 14067891 is about 3750.7187311234. The cubic root of 14067891 is about 241.4031863783.

The spelling of 14067891 in words is "fourteen million, sixty-seven thousand, eight hundred ninety-one".