14399143 has 4 divisors (see below), whose sum is σ = 15708168. Its totient is φ = 13090120.

The previous prime is 14399141. The next prime is 14399191. The reversal of 14399143 is 34199341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34199341 = 11 ⋅3109031.

It is a cyclic number.

It is not a de Polignac number, because 14399143 - 2¹ = 14399141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14399099 and 14399108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14399141) 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, 654496 + ... + 654517.

It is an arithmetic number, because the mean of its divisors is an integer number (3927042).

Almost surely, 2^14399143 is an apocalyptic number.

14399143 is a deficient number, since it is larger than the sum of its proper divisors (1309025).

14399143 is a wasteful number, since it uses less digits than its factorization.

14399143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1309024.

The product of its digits is 11664, while the sum is 34.

The square root of 14399143 is about 3794.6202708572. The cubic root of 14399143 is about 243.2832533873.

The spelling of 14399143 in words is "fourteen million, three hundred ninety-nine thousand, one hundred forty-three".