14786561 has 4 divisors (see below), whose sum is σ = 14794752. Its totient is φ = 14778372.

The previous prime is 14786557. The next prime is 14786567. The reversal of 14786561 is 16568741.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 14786561 - 2² = 14786557 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14786567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65 + ... + 5438.

It is an arithmetic number, because the mean of its divisors is an integer number (3698688).

It is a Proth number, since it is equal to 1805 ⋅ 2¹³ + 1 and 1805 < 2¹³.

Almost surely, 2^14786561 is an apocalyptic number.

It is an amenable number.

14786561 is a deficient number, since it is larger than the sum of its proper divisors (8191).

14786561 is an equidigital number, since it uses as much as digits as its factorization.

14786561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8190.

The product of its digits is 40320, while the sum is 38.

The square root of 14786561 is about 3845.3297647926. The cubic root of 14786561 is about 245.4458686337.

The spelling of 14786561 in words is "fourteen million, seven hundred eighty-six thousand, five hundred sixty-one".