14563999 has 2 divisors, whose sum is σ = 14564000. Its totient is φ = 14563998.

The previous prime is 14563963. The next prime is 14564009. The reversal of 14563999 is 99936541.

14563999 is nontrivially palindromic in base 7.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 14563999 - 2¹⁷ = 14432927 is a prime.

It is a super-2 number, since 2×14563999² = 424220133744002, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14563399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7281999 + 7282000.

It is an arithmetic number, because the mean of its divisors is an integer number (7282000).

Almost surely, 2^14563999 is an apocalyptic number.

14563999 is a deficient number, since it is larger than the sum of its proper divisors (1).

14563999 is an equidigital number, since it uses as much as digits as its factorization.

14563999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 262440, while the sum is 46.

The square root of 14563999 is about 3816.2807810747. The cubic root of 14563999 is about 244.2081836524.

The spelling of 14563999 in words is "fourteen million, five hundred sixty-three thousand, nine hundred ninety-nine".