14830721 has 2 divisors, whose sum is σ = 14830722. Its totient is φ = 14830720.

The previous prime is 14830703. The next prime is 14830723. The reversal of 14830721 is 12703841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11296321 + 3534400 = 3361^2 + 1880^2 .

It is a cyclic number.

It is not a de Polignac number, because 14830721 - 2¹⁰ = 14829697 is a prime.

Together with 14830723, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (14830723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7415360 + 7415361.

It is an arithmetic number, because the mean of its divisors is an integer number (7415361).

Almost surely, 2^14830721 is an apocalyptic number.

It is an amenable number.

14830721 is a deficient number, since it is larger than the sum of its proper divisors (1).

14830721 is an equidigital number, since it uses as much as digits as its factorization.

14830721 is an odious number, because the sum of its binary digits is odd.

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

The square root of 14830721 is about 3851.0675143394. The cubic root of 14830721 is about 245.6899668011.

It can be divided in two parts, 14830 and 721, that added together give a palindrome (15551).

The spelling of 14830721 in words is "fourteen million, eight hundred thirty thousand, seven hundred twenty-one".