14199391 has 4 divisors (see below), whose sum is σ = 14370552. Its totient is φ = 14028232.

The previous prime is 14199373. The next prime is 14199401. The reversal of 14199391 is 19399141.

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 14199391 - 2⁹ = 14198879 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 14199391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14199371) 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, 85456 + ... + 85621.

It is an arithmetic number, because the mean of its divisors is an integer number (3592638).

Almost surely, 2^14199391 is an apocalyptic number.

14199391 is a deficient number, since it is larger than the sum of its proper divisors (171161).

14199391 is an equidigital number, since it uses as much as digits as its factorization.

14199391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171160.

The product of its digits is 8748, while the sum is 37.

The square root of 14199391 is about 3768.2079295071. The cubic root of 14199391 is about 242.1530291363.

The spelling of 14199391 in words is "fourteen million, one hundred ninety-nine thousand, three hundred ninety-one".