14091399 has 24 divisors (see below), whose sum is σ = 23761920. Its totient is φ = 7879248.

The previous prime is 14091359. The next prime is 14091431. The reversal of 14091399 is 99319041.

It is not a de Polignac number, because 14091399 - 2⁹ = 14090887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14091359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 582 + ... + 5340.

It is an arithmetic number, because the mean of its divisors is an integer number (990080).

Almost surely, 2^14091399 is an apocalyptic number.

14091399 is a deficient number, since it is larger than the sum of its proper divisors (9670521).

14091399 is a wasteful number, since it uses less digits than its factorization.

14091399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4819 (or 4816 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 36.

The square root of 14091399 is about 3753.8512224115. The cubic root of 14091399 is about 241.5375762936.

The spelling of 14091399 in words is "fourteen million, ninety-one thousand, three hundred ninety-nine".