14820561 has 24 divisors (see below), whose sum is σ = 24570624. Its totient is φ = 8432640.

The previous prime is 14820541. The next prime is 14820569. The reversal of 14820561 is 16502841.

It is not a de Polignac number, because 14820561 - 2⁷ = 14820433 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14820569) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22801 + ... + 23441.

It is an arithmetic number, because the mean of its divisors is an integer number (1023776).

Almost surely, 2^14820561 is an apocalyptic number.

It is an amenable number.

14820561 is a deficient number, since it is larger than the sum of its proper divisors (9750063).

14820561 is a wasteful number, since it uses less digits than its factorization.

14820561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021 (or 1018 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 14820561 is about 3849.7481735823. The cubic root of 14820561 is about 245.6338494957.

The spelling of 14820561 in words is "fourteen million, eight hundred twenty thousand, five hundred sixty-one".