13402189 has 2 divisors, whose sum is σ = 13402190. Its totient is φ = 13402188.

The previous prime is 13402159. The next prime is 13402223. The reversal of 13402189 is 98120431.

It is a happy number.

13402189 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., 12888100 + 514089 = 3590^2 + 717^2 .

It is an emirp because it is prime and its reverse (98120431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13402189 - 2⁵ = 13402157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13402159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6701094 + 6701095.

It is an arithmetic number, because the mean of its divisors is an integer number (6701095).

Almost surely, 2^13402189 is an apocalyptic number.

It is an amenable number.

13402189 is a deficient number, since it is larger than the sum of its proper divisors (1).

13402189 is an equidigital number, since it uses as much as digits as its factorization.

13402189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 13402189 is about 3660.9000259499. The cubic root of 13402189 is about 237.5337067580.

The spelling of 13402189 in words is "thirteen million, four hundred two thousand, one hundred eighty-nine".