13413518 has 8 divisors (see below), whose sum is σ = 20548512. Its totient is φ = 6564016.

The previous prime is 13413511. The next prime is 13413523. The reversal of 13413518 is 81531431.

13413518 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (13413511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71255 + ... + 71442.

It is an arithmetic number, because the mean of its divisors is an integer number (2568564).

Almost surely, 2^13413518 is an apocalyptic number.

13413518 is a deficient number, since it is larger than the sum of its proper divisors (7134994).

13413518 is a wasteful number, since it uses less digits than its factorization.

13413518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142746.

The product of its digits is 1440, while the sum is 26.

The square root of 13413518 is about 3662.4469962035. The cubic root of 13413518 is about 237.6006177547.

Adding to 13413518 its reverse (81531431), we get a palindrome (94944949).

It can be divided in two parts, 13413 and 518, that added together give a palindrome (13931).

The spelling of 13413518 in words is "thirteen million, four hundred thirteen thousand, five hundred eighteen".