14663999 has 8 divisors (see below), whose sum is σ = 16857120. Its totient is φ = 12495456.

The previous prime is 14663993. The next prime is 14664011. The reversal of 14663999 is 99936641.

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 14663999 - 2¹² = 14659903 is a prime.

It is a super-5 number, since 5×14663999⁵ (a number of 37 digits) contains 55555 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14663993) 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, 4844 + ... + 7265.

It is an arithmetic number, because the mean of its divisors is an integer number (2107140).

Almost surely, 2^14663999 is an apocalyptic number.

14663999 is a deficient number, since it is larger than the sum of its proper divisors (2193121).

14663999 is a wasteful number, since it uses less digits than its factorization.

14663999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12289.

The product of its digits is 314928, while the sum is 47.

The square root of 14663999 is about 3829.3601293166. The cubic root of 14663999 is about 244.7658404124.

The spelling of 14663999 in words is "fourteen million, six hundred sixty-three thousand, nine hundred ninety-nine".