13406189 has 2 divisors, whose sum is σ = 13406190. Its totient is φ = 13406188.

The previous prime is 13406179. The next prime is 13406201. The reversal of 13406189 is 98160431.

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., 9954025 + 3452164 = 3155^2 + 1858^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13406189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13406119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6703094 + 6703095.

It is an arithmetic number, because the mean of its divisors is an integer number (6703095).

Almost surely, 2^13406189 is an apocalyptic number.

It is an amenable number.

13406189 is a deficient number, since it is larger than the sum of its proper divisors (1).

13406189 is an equidigital number, since it uses as much as digits as its factorization.

13406189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 13406189 is about 3661.4462989371. The cubic root of 13406189 is about 237.5573357417.

The spelling of 13406189 in words is "thirteen million, four hundred six thousand, one hundred eighty-nine".