14051999 has 4 divisors (see below), whose sum is σ = 15132936. Its totient is φ = 12971064.

The previous prime is 14051993. The next prime is 14052007. The reversal of 14051999 is 99915041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99915041 = 211 ⋅473531.

It is a cyclic number.

It is not a de Polignac number, because 14051999 - 2¹⁶ = 13986463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14051993) 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, 540449 + ... + 540474.

It is an arithmetic number, because the mean of its divisors is an integer number (3783234).

Almost surely, 2^14051999 is an apocalyptic number.

14051999 is a deficient number, since it is larger than the sum of its proper divisors (1080937).

14051999 is a wasteful number, since it uses less digits than its factorization.

14051999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080936.

The product of its (nonzero) digits is 14580, while the sum is 38.

The square root of 14051999 is about 3748.5996051859. The cubic root of 14051999 is about 241.3122505739.

The spelling of 14051999 in words is "fourteen million, fifty-one thousand, nine hundred ninety-nine".