13018818 has 8 divisors (see below), whose sum is σ = 26037648. Its totient is φ = 4339604.

The previous prime is 13018807. The next prime is 13018823. The reversal of 13018818 is 81881031.

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

13018818 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

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, 1084896 + ... + 1084907.

It is an arithmetic number, because the mean of its divisors is an integer number (3254706).

Almost surely, 2^13018818 is an apocalyptic number.

13018818 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.

13018818 is a wasteful number, since it uses less digits than its factorization.

13018818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2169808.

The product of its (nonzero) digits is 1536, while the sum is 30.

The square root of 13018818 is about 3608.1599188506. The cubic root of 13018818 is about 235.2468689858.

Adding to 13018818 its reverse (81881031), we get a palindrome (94899849).

The spelling of 13018818 in words is "thirteen million, eighteen thousand, eight hundred eighteen".