13412505 has 8 divisors (see below), whose sum is σ = 21460032. Its totient is φ = 7153328.

The previous prime is 13412501. The next prime is 13412513. The reversal of 13412505 is 50521431.

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 13412505 - 2² = 13412501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13412501) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 447069 + ... + 447098.

It is an arithmetic number, because the mean of its divisors is an integer number (2682504).

Almost surely, 2^13412505 is an apocalyptic number.

13412505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13412505 is a deficient number, since it is larger than the sum of its proper divisors (8047527).

13412505 is an equidigital number, since it uses as much as digits as its factorization.

13412505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894175.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 13412505 is about 3662.3086980756. The cubic root of 13412505 is about 237.5946363389.

Adding to 13412505 its reverse (50521431), we get a palindrome (63933936).

The spelling of 13412505 in words is "thirteen million, four hundred twelve thousand, five hundred five".