14690789 has 2 divisors, whose sum is σ = 14690790. Its totient is φ = 14690788.

The previous prime is 14690783. The next prime is 14690827. The reversal of 14690789 is 98709641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10857025 + 3833764 = 3295^2 + 1958^2 .

It is an emirp because it is prime and its reverse (98709641) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14690789 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14690783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7345394 + 7345395.

It is an arithmetic number, because the mean of its divisors is an integer number (7345395).

Almost surely, 2^14690789 is an apocalyptic number.

It is an amenable number.

14690789 is a deficient number, since it is larger than the sum of its proper divisors (1).

14690789 is an equidigital number, since it uses as much as digits as its factorization.

14690789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 14690789 is about 3832.8565065757. The cubic root of 14690789 is about 244.9148058640.

The spelling of 14690789 in words is "fourteen million, six hundred ninety thousand, seven hundred eighty-nine".