13481418 has 8 divisors (see below), whose sum is σ = 26962848. Its totient is φ = 4493804.

The previous prime is 13481417. The next prime is 13481443. The reversal of 13481418 is 81418431.

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

13481418 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (13481417) 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, 1123446 + ... + 1123457.

It is an arithmetic number, because the mean of its divisors is an integer number (3370356).

Almost surely, 2^13481418 is an apocalyptic number.

13481418 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13481418 is a wasteful number, since it uses less digits than its factorization.

13481418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2246908.

The product of its digits is 3072, while the sum is 30.

The square root of 13481418 is about 3671.7050535140. The cubic root of 13481418 is about 238.0008591641. Note that the first 3 decimals are identical.

Adding to 13481418 its reverse (81418431), we get a palindrome (94899849).

The spelling of 13481418 in words is "thirteen million, four hundred eighty-one thousand, four hundred eighteen".