14866641 has 12 divisors (see below), whose sum is σ = 21998340. Its totient is φ = 9669120.

The previous prime is 14866633. The next prime is 14866651. The reversal of 14866641 is 14666841.

14866641 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 7817616 + 7049025 = 2796^2 + 2655^2 .

It is not a de Polignac number, because 14866641 - 2³ = 14866633 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 14866596 and 14866605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14866651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19776 + ... + 20513.

It is an arithmetic number, because the mean of its divisors is an integer number (1833195).

Almost surely, 2^14866641 is an apocalyptic number.

It is an amenable number.

14866641 is a deficient number, since it is larger than the sum of its proper divisors (7131699).

14866641 is a wasteful number, since it uses less digits than its factorization.

14866641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40336 (or 40333 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 14866641 is about 3855.7283358660. The cubic root of 14866641 is about 245.8881605440. Note that the first 3 decimals are identical.

The spelling of 14866641 in words is "fourteen million, eight hundred sixty-six thousand, six hundred forty-one".