14809999 has 8 divisors (see below), whose sum is σ = 15498720. Its totient is φ = 14125056.

The previous prime is 14809973. The next prime is 14810023. The reversal of 14809999 is 99990841.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14809999 - 2⁷ = 14809871 is a prime.

It is a Duffinian number.

14809999 is a modest number, since divided by 9999 gives 1480 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14809919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9807 + ... + 11215.

It is an arithmetic number, because the mean of its divisors is an integer number (1937340).

Almost surely, 2^14809999 is an apocalyptic number.

14809999 is a deficient number, since it is larger than the sum of its proper divisors (688721).

14809999 is a wasteful number, since it uses less digits than its factorization.

14809999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1889.

The product of its (nonzero) digits is 209952, while the sum is 49.

The square root of 14809999 is about 3848.3761510538. The cubic root of 14809999 is about 245.5754846050.

The spelling of 14809999 in words is "fourteen million, eight hundred nine thousand, nine hundred ninety-nine".