14340405 has 16 divisors (see below), whose sum is σ = 23433984. Its totient is φ = 7485120.

The previous prime is 14340379. The next prime is 14340419. The reversal of 14340405 is 50404341.

It is not a de Polignac number, because 14340405 - 2⁶ = 14340341 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9466 + ... + 10875.

It is an arithmetic number, because the mean of its divisors is an integer number (1464624).

Almost surely, 2^14340405 is an apocalyptic number.

14340405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

14340405 is a deficient number, since it is larger than the sum of its proper divisors (9093579).

14340405 is a wasteful number, since it uses less digits than its factorization.

14340405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20396.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 14340405 is about 3786.8727203327. The cubic root of 14340405 is about 242.9519964789.

Adding to 14340405 its reverse (50404341), we get a palindrome (64744746).

The spelling of 14340405 in words is "fourteen million, three hundred forty thousand, four hundred five".