14144399 has 4 divisors (see below), whose sum is σ = 14229264. Its totient is φ = 14059536.

The previous prime is 14144393. The next prime is 14144413. The reversal of 14144399 is 99344141.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 14144399 - 2¹⁶ = 14078863 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 (14144393) 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, 42182 + ... + 42515.

It is an arithmetic number, because the mean of its divisors is an integer number (3557316).

Almost surely, 2^14144399 is an apocalyptic number.

14144399 is a deficient number, since it is larger than the sum of its proper divisors (84865).

14144399 is an equidigital number, since it uses as much as digits as its factorization.

14144399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84864.

The product of its digits is 15552, while the sum is 35.

The square root of 14144399 is about 3760.9040136648. The cubic root of 14144399 is about 241.8400178873.

The spelling of 14144399 in words is "fourteen million, one hundred forty-four thousand, three hundred ninety-nine".