14010721 has 2 divisors, whose sum is σ = 14010722. Its totient is φ = 14010720.

The previous prime is 14010719. The next prime is 14010727. The reversal of 14010721 is 12701041.

14010721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8346321 + 5664400 = 2889^2 + 2380^2 .

It is a cyclic number.

It is not a de Polignac number, because 14010721 - 2¹ = 14010719 is a prime.

Together with 14010719, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 14010695 and 14010704.

It is not a weakly prime, because it can be changed into another prime (14010727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7005360 + 7005361.

It is an arithmetic number, because the mean of its divisors is an integer number (7005361).

Almost surely, 2^14010721 is an apocalyptic number.

It is an amenable number.

14010721 is a deficient number, since it is larger than the sum of its proper divisors (1).

14010721 is an equidigital number, since it uses as much as digits as its factorization.

14010721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 14010721 is about 3743.0897664897. The cubic root of 14010721 is about 241.0757324706.

Adding to 14010721 its reverse (12701041), we get a palindrome (26711762).

The spelling of 14010721 in words is "fourteen million, ten thousand, seven hundred twenty-one".