13215189 has 8 divisors (see below), whose sum is σ = 18975712. Its totient is φ = 8132400.

The previous prime is 13215187. The next prime is 13215193. The reversal of 13215189 is 98151231.

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

It is not a de Polignac number, because 13215189 - 2¹ = 13215187 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13215187) 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, 169387 + ... + 169464.

It is an arithmetic number, because the mean of its divisors is an integer number (2371964).

Almost surely, 2^13215189 is an apocalyptic number.

It is an amenable number.

13215189 is a deficient number, since it is larger than the sum of its proper divisors (5760523).

13215189 is a wasteful number, since it uses less digits than its factorization.

13215189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338867.

The product of its digits is 2160, while the sum is 30.

The square root of 13215189 is about 3635.2701412687. The cubic root of 13215189 is about 236.4237634330.

The spelling of 13215189 in words is "thirteen million, two hundred fifteen thousand, one hundred eighty-nine".