14021429 has 2 divisors, whose sum is σ = 14021430. Its totient is φ = 14021428.

The previous prime is 14021419. The next prime is 14021431. The reversal of 14021429 is 92412041.

14021429 is digitally balanced in base 3, 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., 11222500 + 2798929 = 3350^2 + 1673^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14021429 is a prime.

Together with 14021431, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p₉₁₁₃₆₃ and since 14021429 and 911363 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14021419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7010714 + 7010715.

It is an arithmetic number, because the mean of its divisors is an integer number (7010715).

Almost surely, 2^14021429 is an apocalyptic number.

It is an amenable number.

14021429 is a deficient number, since it is larger than the sum of its proper divisors (1).

14021429 is an equidigital number, since it uses as much as digits as its factorization.

14021429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 14021429 is about 3744.5198624123. The cubic root of 14021429 is about 241.1371326317.

The spelling of 14021429 in words is "fourteen million, twenty-one thousand, four hundred twenty-nine".