13380505 has 8 divisors (see below), whose sum is σ = 16141824. Its totient is φ = 10647600.

The previous prime is 13380487. The next prime is 13380511. The reversal of 13380505 is 50508331.

It is a happy number.

13380505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-13380505 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 13380505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6051 + ... + 7960.

It is an arithmetic number, because the mean of its divisors is an integer number (2017728).

Almost surely, 2^13380505 is an apocalyptic number.

It is an amenable number.

13380505 is a deficient number, since it is larger than the sum of its proper divisors (2761319).

13380505 is a wasteful number, since it uses less digits than its factorization.

13380505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14207.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 13380505 is about 3657.9372602602. The cubic root of 13380505 is about 237.4055321433.

Adding to 13380505 its reverse (50508331), we get a palindrome (63888836).

The spelling of 13380505 in words is "thirteen million, three hundred eighty thousand, five hundred five".