14986209 has 24 divisors (see below), whose sum is σ = 23505888. Its totient is φ = 8467200.

The previous prime is 14986199. The next prime is 14986211. The reversal of 14986209 is 90268941.

It is not a de Polignac number, because 14986209 - 2¹¹ = 14984161 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14986229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13734 + ... + 14784.

It is an arithmetic number, because the mean of its divisors is an integer number (979412).

Almost surely, 2^14986209 is an apocalyptic number.

It is an amenable number.

14986209 is a deficient number, since it is larger than the sum of its proper divisors (8519679).

14986209 is a wasteful number, since it uses less digits than its factorization.

14986209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165 (or 1158 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 14986209 is about 3871.2025263476. The cubic root of 14986209 is about 246.5456030787.

The spelling of 14986209 in words is "fourteen million, nine hundred eighty-six thousand, two hundred nine".