14999663 has 8 divisors (see below), whose sum is σ = 17239680. Its totient is φ = 12783960.

The previous prime is 14999659. The next prime is 14999687. The reversal of 14999663 is 36699941.

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

It is not a de Polignac number, because 14999663 - 2² = 14999659 is a prime.

It is a super-2 number, since 2×14999663² = 449979780227138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14999653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4733 + ... + 7238.

It is an arithmetic number, because the mean of its divisors is an integer number (2154960).

Almost surely, 2^14999663 is an apocalyptic number.

14999663 is a deficient number, since it is larger than the sum of its proper divisors (2240017).

14999663 is a wasteful number, since it uses less digits than its factorization.

14999663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12157.

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

The square root of 14999663 is about 3872.9398394501. The cubic root of 14999663 is about 246.6193605004.

The spelling of 14999663 in words is "fourteen million, nine hundred ninety-nine thousand, six hundred sixty-three".