13189399 has 8 divisors (see below), whose sum is σ = 14035248. Its totient is φ = 12351360.

The previous prime is 13189369. The next prime is 13189409. The reversal of 13189399 is 99398131.

13189399 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 13189399 - 2⁵ = 13189367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13189369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1749 + ... + 5425.

It is an arithmetic number, because the mean of its divisors is an integer number (1754406).

Almost surely, 2^13189399 is an apocalyptic number.

13189399 is a deficient number, since it is larger than the sum of its proper divisors (845849).

13189399 is a wasteful number, since it uses less digits than its factorization.

13189399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3905.

The product of its digits is 52488, while the sum is 43.

The square root of 13189399 is about 3631.7212172743. The cubic root of 13189399 is about 236.2698662876.

The spelling of 13189399 in words is "thirteen million, one hundred eighty-nine thousand, three hundred ninety-nine".