14427309 has 16 divisors (see below), whose sum is σ = 20970432. Its totient is φ = 8769408.

The previous prime is 14427269. The next prime is 14427319. The reversal of 14427309 is 90372441.

It is a happy number.

14427309 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 14427309 - 2¹³ = 14419117 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14427319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1009 + ... + 5465.

It is an arithmetic number, because the mean of its divisors is an integer number (1310652).

Almost surely, 2^14427309 is an apocalyptic number.

It is an amenable number.

14427309 is a deficient number, since it is larger than the sum of its proper divisors (6543123).

14427309 is a wasteful number, since it uses less digits than its factorization.

14427309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4556.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 14427309 is about 3798.3297645149. The cubic root of 14427309 is about 243.4417779386.

The spelling of 14427309 in words is "fourteen million, four hundred twenty-seven thousand, three hundred nine".