13218029 has 8 divisors (see below), whose sum is σ = 14656800. Its totient is φ = 11818800.

The previous prime is 13218019. The next prime is 13218047. The reversal of 13218029 is 92081231.

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

It is a cyclic number.

It is not a de Polignac number, because 13218029 - 2¹² = 13213933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13217989 and 13218007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13218019) 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, 9179 + ... + 10520.

It is an arithmetic number, because the mean of its divisors is an integer number (1832100).

Almost surely, 2^13218029 is an apocalyptic number.

It is an amenable number.

13218029 is a deficient number, since it is larger than the sum of its proper divisors (1438771).

13218029 is a wasteful number, since it uses less digits than its factorization.

13218029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19771.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 13218029 is about 3635.6607377477. The cubic root of 13218029 is about 236.4406983754.

The spelling of 13218029 in words is "thirteen million, two hundred eighteen thousand, twenty-nine".