14820917 has 2 divisors, whose sum is σ = 14820918. Its totient is φ = 14820916.

The previous prime is 14820913. The next prime is 14820919. The reversal of 14820917 is 71902841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13586596 + 1234321 = 3686^2 + 1111^2 .

It is a cyclic number.

It is not a de Polignac number, because 14820917 - 2² = 14820913 is a prime.

Together with 14820919, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14820913) 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, 7410458 + 7410459.

It is an arithmetic number, because the mean of its divisors is an integer number (7410459).

Almost surely, 2^14820917 is an apocalyptic number.

It is an amenable number.

14820917 is a deficient number, since it is larger than the sum of its proper divisors (1).

14820917 is an equidigital number, since it uses as much as digits as its factorization.

14820917 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 32.

The square root of 14820917 is about 3849.7944100952. The cubic root of 14820917 is about 245.6358162442.

The spelling of 14820917 in words is "fourteen million, eight hundred twenty thousand, nine hundred seventeen".