14820709 has 2 divisors, whose sum is σ = 14820710. Its totient is φ = 14820708.

The previous prime is 14820661. The next prime is 14820781. The reversal of 14820709 is 90702841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9132484 + 5688225 = 3022^2 + 2385^2 .

It is an emirp because it is prime and its reverse (90702841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14820709 - 2⁷ = 14820581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14824709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7410354 + 7410355.

It is an arithmetic number, because the mean of its divisors is an integer number (7410355).

Almost surely, 2^14820709 is an apocalyptic number.

It is an amenable number.

14820709 is a deficient number, since it is larger than the sum of its proper divisors (1).

14820709 is an equidigital number, since it uses as much as digits as its factorization.

14820709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 14820709 is about 3849.7673955708. The cubic root of 14820709 is about 245.6346671365.

The spelling of 14820709 in words is "fourteen million, eight hundred twenty thousand, seven hundred nine".