13415505 has 16 divisors (see below), whose sum is σ = 21514560. Its totient is φ = 7138368.

The previous prime is 13415491. The next prime is 13415537. The reversal of 13415505 is 50551431.

It is not a de Polignac number, because 13415505 - 2⁸ = 13415249 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8466 + ... + 9924.

It is an arithmetic number, because the mean of its divisors is an integer number (1344660).

Almost surely, 2^13415505 is an apocalyptic number.

13415505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13415505 is a deficient number, since it is larger than the sum of its proper divisors (8099055).

13415505 is a wasteful number, since it uses less digits than its factorization.

13415505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2080.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 13415505 is about 3662.7182528827. The cubic root of 13415505 is about 237.6123494301.

Adding to 13415505 its reverse (50551431), we get a palindrome (63966936).

The spelling of 13415505 in words is "thirteen million, four hundred fifteen thousand, five hundred five".