14986809 has 32 divisors (see below), whose sum is σ = 23811840. Its totient is φ = 9282816.

The previous prime is 14986787. The next prime is 14986849. The reversal of 14986809 is 90868941.

It is not a de Polignac number, because 14986809 - 2¹² = 14982713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14986849) 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 31 ways as a sum of consecutive naturals, for example, 47119 + ... + 47435.

It is an arithmetic number, because the mean of its divisors is an integer number (744120).

Almost surely, 2^14986809 is an apocalyptic number.

It is an amenable number.

14986809 is a deficient number, since it is larger than the sum of its proper divisors (8825031).

14986809 is a wasteful number, since it uses less digits than its factorization.

14986809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446 (or 440 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 14986809 is about 3871.2800208716. The cubic root of 14986809 is about 246.5488933346.

The spelling of 14986809 in words is "fourteen million, nine hundred eighty-six thousand, eight hundred nine".