14140447 has 8 divisors (see below), whose sum is σ = 15163200. Its totient is φ = 13138944.

The previous prime is 14140439. The next prime is 14140457. The reversal of 14140447 is 74404141.

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

It is a cyclic number.

It is not a de Polignac number, because 14140447 - 2³ = 14140439 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 (14140457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3922 + ... + 6607.

It is an arithmetic number, because the mean of its divisors is an integer number (1895400).

Almost surely, 2^14140447 is an apocalyptic number.

14140447 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

14140447 is a deficient number, since it is larger than the sum of its proper divisors (1022753).

14140447 is a wasteful number, since it uses less digits than its factorization.

14140447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10625.

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 14140447 is about 3760.3785713675. The cubic root of 14140447 is about 241.8174921092.

Adding to 14140447 its reverse (74404141), we get a palindrome (88544588).

The spelling of 14140447 in words is "fourteen million, one hundred forty thousand, four hundred forty-seven".