13424305 has 8 divisors (see below), whose sum is σ = 17056872. Its totient is φ = 10107648.

The previous prime is 13424297. The next prime is 13424311. The reversal of 13424305 is 50342431.

It can be written as a sum of positive squares in 4 ways, for example, as 7134241 + 6290064 = 2671^2 + 2508^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 13424305 - 2³ = 13424297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78882 + ... + 79051.

It is an arithmetic number, because the mean of its divisors is an integer number (2132109).

Almost surely, 2^13424305 is an apocalyptic number.

It is an amenable number.

13424305 is a deficient number, since it is larger than the sum of its proper divisors (3632567).

13424305 is a wasteful number, since it uses less digits than its factorization.

13424305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157955.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 13424305 is about 3663.9193495491. The cubic root of 13424305 is about 237.6642926019.

Adding to 13424305 its reverse (50342431), we get a palindrome (63766736).

The spelling of 13424305 in words is "thirteen million, four hundred twenty-four thousand, three hundred five".