14709889 has 2 divisors, whose sum is σ = 14709890. Its totient is φ = 14709888.

The previous prime is 14709887. The next prime is 14709923. The reversal of 14709889 is 98890741.

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., 14379264 + 330625 = 3792^2 + 575^2 .

It is an emirp because it is prime and its reverse (98890741) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14709889 - 2¹ = 14709887 is a prime.

Together with 14709887, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (14709887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7354944 + 7354945.

It is an arithmetic number, because the mean of its divisors is an integer number (7354945).

Almost surely, 2^14709889 is an apocalyptic number.

It is an amenable number.

14709889 is a deficient number, since it is larger than the sum of its proper divisors (1).

14709889 is an equidigital number, since it uses as much as digits as its factorization.

14709889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 46.

The square root of 14709889 is about 3835.3473115221. The cubic root of 14709889 is about 245.0209006187.

The spelling of 14709889 in words is "fourteen million, seven hundred nine thousand, eight hundred eighty-nine".