14820919 has 2 divisors, whose sum is σ = 14820920. Its totient is φ = 14820918.

The previous prime is 14820917. The next prime is 14820941. The reversal of 14820919 is 91902841.

14820919 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (91902841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14820919 - 2¹ = 14820917 is a prime.

It is a super-2 number, since 2×14820919² = 439319280009122, which contains 22 as substring.

Together with 14820917, it forms a pair of twin primes.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 7410459 + 7410460.

It is an arithmetic number, because the mean of its divisors is an integer number (7410460).

Almost surely, 2^14820919 is an apocalyptic number.

14820919 is a deficient number, since it is larger than the sum of its proper divisors (1).

14820919 is an equidigital number, since it uses as much as digits as its factorization.

14820919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 14820919 is about 3849.7946698493. The cubic root of 14820919 is about 245.6358272933.

The spelling of 14820919 in words is "fourteen million, eight hundred twenty thousand, nine hundred nineteen".