14381729 has 2 divisors, whose sum is σ = 14381730. Its totient is φ = 14381728.

The previous prime is 14381707. The next prime is 14381743. The reversal of 14381729 is 92718341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12285025 + 2096704 = 3505^2 + 1448^2 .

It is an emirp because it is prime and its reverse (92718341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14381729 - 2²⁰ = 13333153 is a prime.

It is not a weakly prime, because it can be changed into another prime (14381749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7190864 + 7190865.

It is an arithmetic number, because the mean of its divisors is an integer number (7190865).

Almost surely, 2^14381729 is an apocalyptic number.

It is an amenable number.

14381729 is a deficient number, since it is larger than the sum of its proper divisors (1).

14381729 is an equidigital number, since it uses as much as digits as its factorization.

14381729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 35.

The square root of 14381729 is about 3792.3250124429. The cubic root of 14381729 is about 243.1851400579.

The spelling of 14381729 in words is "fourteen million, three hundred eighty-one thousand, seven hundred twenty-nine".