13189937 has 2 divisors, whose sum is σ = 13189938. Its totient is φ = 13189936.

The previous prime is 13189907. The next prime is 13189999. The reversal of 13189937 is 73998131.

13189937 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13184161 + 5776 = 3631^2 + 76^2 .

It is a cyclic number.

It is not a de Polignac number, because 13189937 - 2⁸ = 13189681 is a prime.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 13189894 and 13189903.

It is not a weakly prime, because it can be changed into another prime (13189907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6594968 + 6594969.

It is an arithmetic number, because the mean of its divisors is an integer number (6594969).

Almost surely, 2^13189937 is an apocalyptic number.

It is an amenable number.

13189937 is a deficient number, since it is larger than the sum of its proper divisors (1).

13189937 is an equidigital number, since it uses as much as digits as its factorization.

13189937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40824, while the sum is 41.

The square root of 13189937 is about 3631.7952860810. The cubic root of 13189937 is about 236.2730787529.

The spelling of 13189937 in words is "thirteen million, one hundred eighty-nine thousand, nine hundred thirty-seven".