14909805 has 32 divisors (see below), whose sum is σ = 26697600. Its totient is φ = 7894656.

The previous prime is 14909789. The next prime is 14909809. The reversal of 14909805 is 50890941.

14909805 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 14909805 - 2⁴ = 14909789 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14909805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14909809) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23857 + ... + 24473.

It is an arithmetic number, because the mean of its divisors is an integer number (834300).

Almost surely, 2^14909805 is an apocalyptic number.

14909805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

14909805 is a deficient number, since it is larger than the sum of its proper divisors (11787795).

14909805 is a wasteful number, since it uses less digits than its factorization.

14909805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810 (or 804 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 14909805 is about 3861.3216649225. The cubic root of 14909805 is about 246.1259022390.

The spelling of 14909805 in words is "fourteen million, nine hundred nine thousand, eight hundred five".