14509307 has 4 divisors (see below), whose sum is σ = 14645016. Its totient is φ = 14373600.

The previous prime is 14509303. The next prime is 14509349. The reversal of 14509307 is 70390541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70390541 = 13 ⋅5414657.

It is a cyclic number.

It is not a de Polignac number, because 14509307 - 2² = 14509303 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14509307.

It is not an unprimeable number, because it can be changed into a prime (14509303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67694 + ... + 67907.

It is an arithmetic number, because the mean of its divisors is an integer number (3661254).

Almost surely, 2^14509307 is an apocalyptic number.

14509307 is a deficient number, since it is larger than the sum of its proper divisors (135709).

14509307 is a wasteful number, since it uses less digits than its factorization.

14509307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135708.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 14509307 is about 3809.1084258656. The cubic root of 14509307 is about 243.9021095725.

Adding to 14509307 its reverse (70390541), we get a palindrome (84899848).

The spelling of 14509307 in words is "fourteen million, five hundred nine thousand, three hundred seven".