14780909 has 12 divisors (see below), whose sum is σ = 17462592. Its totient is φ = 12402000.

The previous prime is 14780867. The next prime is 14780911. The reversal of 14780909 is 90908741.

It is not a de Polignac number, because 14780909 - 2⁸ = 14780653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14780929) 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 11 ways as a sum of consecutive naturals, for example, 2117 + ... + 5834.

It is an arithmetic number, because the mean of its divisors is an integer number (1455216).

Almost surely, 2^14780909 is an apocalyptic number.

It is an amenable number.

14780909 is a deficient number, since it is larger than the sum of its proper divisors (2681683).

14780909 is a wasteful number, since it uses less digits than its factorization.

14780909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7988 (or 7975 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 14780909 is about 3844.5947770864. The cubic root of 14780909 is about 245.4145916554.

The spelling of 14780909 in words is "fourteen million, seven hundred eighty thousand, nine hundred nine".