13394189 has 2 divisors, whose sum is σ = 13394190. Its totient is φ = 13394188.

The previous prime is 13394177. The next prime is 13394219. The reversal of 13394189 is 98149331.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13380964 + 13225 = 3658^2 + 115^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13394189 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13394149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6697094 + 6697095.

It is an arithmetic number, because the mean of its divisors is an integer number (6697095).

Almost surely, 2^13394189 is an apocalyptic number.

It is an amenable number.

13394189 is a deficient number, since it is larger than the sum of its proper divisors (1).

13394189 is an equidigital number, since it uses as much as digits as its factorization.

13394189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 38.

The square root of 13394189 is about 3659.8072353609. The cubic root of 13394189 is about 237.4864346823.

The spelling of 13394189 in words is "thirteen million, three hundred ninety-four thousand, one hundred eighty-nine".