14279999 has 8 divisors (see below), whose sum is σ = 14672592. Its totient is φ = 13890240.

The previous prime is 14279971. The next prime is 14280029. The reversal of 14279999 is 99997241.

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 14279999 - 2¹⁶ = 14214463 is a prime.

It is a Duffinian number.

14279999 is a modest number, since divided by 9999 gives 1427 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14279929) 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, 12929 + ... + 13989.

It is an arithmetic number, because the mean of its divisors is an integer number (1834074).

Almost surely, 2^14279999 is an apocalyptic number.

14279999 is a deficient number, since it is larger than the sum of its proper divisors (392593).

14279999 is a wasteful number, since it uses less digits than its factorization.

14279999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1417.

The product of its digits is 367416, while the sum is 50.

The square root of 14279999 is about 3778.8885932242. Note that the first 3 decimals coincide. The cubic root of 14279999 is about 242.6103879758.

The spelling of 14279999 in words is "fourteen million, two hundred seventy-nine thousand, nine hundred ninety-nine".