14644661 has 2 divisors, whose sum is σ = 14644662. Its totient is φ = 14644660.

The previous prime is 14644657. The next prime is 14644691. The reversal of 14644661 is 16644641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7806436 + 6838225 = 2794^2 + 2615^2 .

It is a cyclic number.

It is not a de Polignac number, because 14644661 - 2² = 14644657 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14644691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7322330 + 7322331.

It is an arithmetic number, because the mean of its divisors is an integer number (7322331).

Almost surely, 2^14644661 is an apocalyptic number.

It is an amenable number.

14644661 is a deficient number, since it is larger than the sum of its proper divisors (1).

14644661 is an equidigital number, since it uses as much as digits as its factorization.

14644661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 32.

The square root of 14644661 is about 3826.8343314024. The cubic root of 14644661 is about 244.6581989247.

The spelling of 14644661 in words is "fourteen million, six hundred forty-four thousand, six hundred sixty-one".