13232018 has 16 divisors (see below), whose sum is σ = 22122720. Its totient is φ = 5898816.

The previous prime is 13232017. The next prime is 13232029. The reversal of 13232018 is 81023231.

It is not an unprimeable number, because it can be changed into a prime (13232017) 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 7 ways as a sum of consecutive naturals, for example, 9596 + ... + 10887.

It is an arithmetic number, because the mean of its divisors is an integer number (1382670).

Almost surely, 2^13232018 is an apocalyptic number.

13232018 is a deficient number, since it is larger than the sum of its proper divisors (8890702).

13232018 is a wasteful number, since it uses less digits than its factorization.

13232018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20521.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 13232018 is about 3637.5840883751. The cubic root of 13232018 is about 236.5240795105.

Adding to 13232018 its reverse (81023231), we get a palindrome (94255249).

The spelling of 13232018 in words is "thirteen million, two hundred thirty-two thousand, eighteen".