13302018 has 24 divisors (see below), whose sum is σ = 29601468. Its totient is φ = 4313952.

The previous prime is 13302011. The next prime is 13302019. The reversal of 13302018 is 81020331.

It can be written as a sum of positive squares in 2 ways, for example, as 12938409 + 363609 = 3597^2 + 603^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13302011) 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 11 ways as a sum of consecutive naturals, for example, 9321 + ... + 10652.

Almost surely, 2^13302018 is an apocalyptic number.

13302018 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13302018 is an abundant number, since it is smaller than the sum of its proper divisors (16299450).

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

13302018 is a wasteful number, since it uses less digits than its factorization.

13302018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20018 (or 20015 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 13302018 is about 3647.1931673549. The cubic root of 13302018 is about 236.9404326075.

Adding to 13302018 its reverse (81020331), we get a palindrome (94322349).

The spelling of 13302018 in words is "thirteen million, three hundred two thousand, eighteen".