14207999 has 16 divisors (see below), whose sum is σ = 15993600. Its totient is φ = 12606048.

The previous prime is 14207993. The next prime is 14208001. The reversal of 14207999 is 99970241.

It is a happy number.

It is not a de Polignac number, because 14207999 - 2⁴ = 14207983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14207993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63602 + ... + 63824.

It is an arithmetic number, because the mean of its divisors is an integer number (999600).

Almost surely, 2^14207999 is an apocalyptic number.

14207999 is a deficient number, since it is larger than the sum of its proper divisors (1785601).

14207999 is an equidigital number, since it uses as much as digits as its factorization.

14207999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291 (or 265 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 14207999 is about 3769.3499439559. The cubic root of 14207999 is about 242.2019521782.

The spelling of 14207999 in words is "fourteen million, two hundred seven thousand, nine hundred ninety-nine".