13344505 has 8 divisors (see below), whose sum is σ = 16163712. Its totient is φ = 10575408.

The previous prime is 13344503. The next prime is 13344511. The reversal of 13344505 is 50544331.

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 13344505 - 2¹ = 13344503 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 13344505.

It is not an unprimeable number, because it can be changed into a prime (13344503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11937 + ... + 13006.

It is an arithmetic number, because the mean of its divisors is an integer number (2020464).

Almost surely, 2^13344505 is an apocalyptic number.

It is an amenable number.

13344505 is a deficient number, since it is larger than the sum of its proper divisors (2819207).

13344505 is a wasteful number, since it uses less digits than its factorization.

13344505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25055.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 13344505 is about 3653.0131398614. The cubic root of 13344505 is about 237.1924291885.

Adding to 13344505 its reverse (50544331), we get a palindrome (63888836).

The spelling of 13344505 in words is "thirteen million, three hundred forty-four thousand, five hundred five".