14645921 has 2 divisors, whose sum is σ = 14645922. Its totient is φ = 14645920.

The previous prime is 14645863. The next prime is 14646011. The reversal of 14645921 is 12954641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13424896 + 1221025 = 3664^2 + 1105^2 .

It is a cyclic number.

It is not a de Polignac number, because 14645921 - 2¹⁸ = 14383777 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (14645021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7322960 + 7322961.

It is an arithmetic number, because the mean of its divisors is an integer number (7322961).

Almost surely, 2^14645921 is an apocalyptic number.

It is an amenable number.

14645921 is a deficient number, since it is larger than the sum of its proper divisors (1).

14645921 is an equidigital number, since it uses as much as digits as its factorization.

14645921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 32.

The square root of 14645921 is about 3826.9989547947. The cubic root of 14645921 is about 244.6652153723.

The spelling of 14645921 in words is "fourteen million, six hundred forty-five thousand, nine hundred twenty-one".