13218063 has 4 divisors (see below), whose sum is σ = 17624088. Its totient is φ = 8812040.

The previous prime is 13218047. The next prime is 13218083. The reversal of 13218063 is 36081231.

13218063 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36081231 = 3 ⋅12027077.

It is a cyclic number.

It is not a de Polignac number, because 13218063 - 2⁴ = 13218047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13218083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2203008 + ... + 2203013.

It is an arithmetic number, because the mean of its divisors is an integer number (4406022).

Almost surely, 2^13218063 is an apocalyptic number.

13218063 is a deficient number, since it is larger than the sum of its proper divisors (4406025).

13218063 is an equidigital number, since it uses as much as digits as its factorization.

13218063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4406024.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 13218063 is about 3635.6654136485. The cubic root of 13218063 is about 236.4409011030.

Adding to 13218063 its reverse (36081231), we get a palindrome (49299294).

The spelling of 13218063 in words is "thirteen million, two hundred eighteen thousand, sixty-three".