14678189 has 2 divisors, whose sum is σ = 14678190. Its totient is φ = 14678188.

The previous prime is 14678171. The next prime is 14678201. The reversal of 14678189 is 98187641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13032100 + 1646089 = 3610^2 + 1283^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14678189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14678119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7339094 + 7339095.

It is an arithmetic number, because the mean of its divisors is an integer number (7339095).

Almost surely, 2^14678189 is an apocalyptic number.

It is an amenable number.

14678189 is a deficient number, since it is larger than the sum of its proper divisors (1).

14678189 is an equidigital number, since it uses as much as digits as its factorization.

14678189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 44.

The square root of 14678189 is about 3831.2124712681. The cubic root of 14678189 is about 244.8447663034.

The spelling of 14678189 in words is "fourteen million, six hundred seventy-eight thousand, one hundred eighty-nine".