14509913 has 4 divisors (see below), whose sum is σ = 15829008. Its totient is φ = 13190820.

The previous prime is 14509909. The next prime is 14509921. The reversal of 14509913 is 31990541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14509913 - 2² = 14509909 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 14509913.

It is not an unprimeable number, because it can be changed into a prime (14509903) 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, 659531 + ... + 659552.

It is an arithmetic number, because the mean of its divisors is an integer number (3957252).

Almost surely, 2^14509913 is an apocalyptic number.

It is an amenable number.

14509913 is a deficient number, since it is larger than the sum of its proper divisors (1319095).

14509913 is a wasteful number, since it uses less digits than its factorization.

14509913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1319094.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 14509913 is about 3809.1879712086. The cubic root of 14509913 is about 243.9055051544.

The spelling of 14509913 in words is "fourteen million, five hundred nine thousand, nine hundred thirteen".