14431663 has 4 divisors (see below), whose sum is σ = 14442480. Its totient is φ = 14420848.

The previous prime is 14431643. The next prime is 14431687. The reversal of 14431663 is 36613441.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 36613441 = 1447 ⋅25303.

It is a cyclic number.

It is not a de Polignac number, because 14431663 - 2¹³ = 14423471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14431633) 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, 3070 + ... + 6187.

It is an arithmetic number, because the mean of its divisors is an integer number (3610620).

Almost surely, 2^14431663 is an apocalyptic number.

14431663 is a deficient number, since it is larger than the sum of its proper divisors (10817).

14431663 is an equidigital number, since it uses as much as digits as its factorization.

14431663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10816.

The product of its digits is 5184, while the sum is 28.

The square root of 14431663 is about 3798.9028679344. The cubic root of 14431663 is about 243.4662648080.

The spelling of 14431663 in words is "fourteen million, four hundred thirty-one thousand, six hundred sixty-three".