14273009 has 16 divisors (see below), whose sum is σ = 15686400. Its totient is φ = 12939264.

The previous prime is 14272991. The next prime is 14273011. The reversal of 14273009 is 90037241.

14273009 is nontrivially palindromic in base 3.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14273009 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14273069) 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, 55409 + ... + 55665.

It is an arithmetic number, because the mean of its divisors is an integer number (980400).

Almost surely, 2^14273009 is an apocalyptic number.

14273009 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

14273009 is a deficient number, since it is larger than the sum of its proper divisors (1413391).

14273009 is a wasteful number, since it uses less digits than its factorization.

14273009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 14273009 is about 3777.9636049067. The cubic root of 14273009 is about 242.5707959237.

The spelling of 14273009 in words is "fourteen million, two hundred seventy-three thousand, nine".