14807321 has 2 divisors, whose sum is σ = 14807322. Its totient is φ = 14807320.

The previous prime is 14807293. The next prime is 14807329. The reversal of 14807321 is 12370841.

14807321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12816400 + 1990921 = 3580^2 + 1411^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14807321 is a prime.

It is not a weakly prime, because it can be changed into another prime (14807329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7403660 + 7403661.

It is an arithmetic number, because the mean of its divisors is an integer number (7403661).

Almost surely, 2^14807321 is an apocalyptic number.

It is an amenable number.

14807321 is a deficient number, since it is larger than the sum of its proper divisors (1).

14807321 is an equidigital number, since it uses as much as digits as its factorization.

14807321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 14807321 is about 3848.0281963624. The cubic root of 14807321 is about 245.5606817503.

The spelling of 14807321 in words is "fourteen million, eight hundred seven thousand, three hundred twenty-one".