13412516 has 18 divisors (see below), whose sum is σ = 25417602. Its totient is φ = 6190080.

The previous prime is 13412513. The next prime is 13412521. The reversal of 13412516 is 61521431.

It can be written as a sum of positive squares in 3 ways, for example, as 1537600 + 11874916 = 1240^2 + 3446^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13412491 and 13412500.

It is not an unprimeable number, because it can be changed into a prime (13412513) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9245 + ... + 10596.

It is an arithmetic number, because the mean of its divisors is an integer number (1412089).

Almost surely, 2^13412516 is an apocalyptic number.

It is an amenable number.

13412516 is a deficient number, since it is larger than the sum of its proper divisors (12005086).

13412516 is a wasteful number, since it uses less digits than its factorization.

13412516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19871 (or 19856 counting only the distinct ones).

The product of its digits is 720, while the sum is 23.

The square root of 13412516 is about 3662.3101998602. The cubic root of 13412516 is about 237.5947012917.

Adding to 13412516 its reverse (61521431), we get a palindrome (74933947).

The spelling of 13412516 in words is "thirteen million, four hundred twelve thousand, five hundred sixteen".