13387418 has 8 divisors (see below), whose sum is σ = 21906720. Its totient is φ = 6085180.

The previous prime is 13387411. The next prime is 13387421. The reversal of 13387418 is 81478331.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13387411) 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 3 ways as a sum of consecutive naturals, for example, 304238 + ... + 304281.

It is an arithmetic number, because the mean of its divisors is an integer number (2738340).

Almost surely, 2^13387418 is an apocalyptic number.

13387418 is a deficient number, since it is larger than the sum of its proper divisors (8519302).

13387418 is a wasteful number, since it uses less digits than its factorization.

13387418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608532.

The product of its digits is 16128, while the sum is 35.

The square root of 13387418 is about 3658.8820697038. The cubic root of 13387418 is about 237.4464100694.

The spelling of 13387418 in words is "thirteen million, three hundred eighty-seven thousand, four hundred eighteen".