13385018 has 8 divisors (see below), whose sum is σ = 21258612. Its totient is φ = 6298816.

The previous prime is 13385017. The next prime is 13385027. The reversal of 13385018 is 81058331.

It can be written as a sum of positive squares in 2 ways, for example, as 13271449 + 113569 = 3643^2 + 337^2 .

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

It is not an unprimeable number, because it can be changed into a prime (13385017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196805 + ... + 196872.

Almost surely, 2^13385018 is an apocalyptic number.

13385018 is a deficient number, since it is larger than the sum of its proper divisors (7873594).

13385018 is a wasteful number, since it uses less digits than its factorization.

13385018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393696.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 13385018 is about 3658.5540859744. The cubic root of 13385018 is about 237.4322199933.

The spelling of 13385018 in words is "thirteen million, three hundred eighty-five thousand, eighteen".