14191967 has 4 divisors (see below), whose sum is σ = 14295696. Its totient is φ = 14088240.

The previous prime is 14191939. The next prime is 14191981. The reversal of 14191967 is 76919141.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 14191967 - 2¹² = 14187871 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 14191967.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14191907) 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, 51659 + ... + 51932.

It is an arithmetic number, because the mean of its divisors is an integer number (3573924).

Almost surely, 2^14191967 is an apocalyptic number.

14191967 is a deficient number, since it is larger than the sum of its proper divisors (103729).

14191967 is a wasteful number, since it uses less digits than its factorization.

14191967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103728.

The product of its digits is 13608, while the sum is 38.

The square root of 14191967 is about 3767.2227170689. Note that the first 3 decimals coincide. The cubic root of 14191967 is about 242.1108194037.

The spelling of 14191967 in words is "fourteen million, one hundred ninety-one thousand, nine hundred sixty-seven".