14421209 has 8 divisors (see below), whose sum is σ = 16560480. Its totient is φ = 12420000.

The previous prime is 14421203. The next prime is 14421221. The reversal of 14421209 is 90212441.

14421209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14421209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14421203) 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, 34292 + ... + 34709.

It is an arithmetic number, because the mean of its divisors is an integer number (2070060).

Almost surely, 2^14421209 is an apocalyptic number.

14421209 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

14421209 is a deficient number, since it is larger than the sum of its proper divisors (2139271).

14421209 is a wasteful number, since it uses less digits than its factorization.

14421209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69031.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 14421209 is about 3797.5266951004. The cubic root of 14421209 is about 243.4074632884.

The spelling of 14421209 in words is "fourteen million, four hundred twenty-one thousand, two hundred nine".