14722439 has 2 divisors, whose sum is σ = 14722440. Its totient is φ = 14722438.

The previous prime is 14722399. The next prime is 14722481. The reversal of 14722439 is 93422741.

It is a weak prime.

It is an emirp because it is prime and its reverse (93422741) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14722439 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14722339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7361219 + 7361220.

It is an arithmetic number, because the mean of its divisors is an integer number (7361220).

Almost surely, 2^14722439 is an apocalyptic number.

14722439 is a deficient number, since it is larger than the sum of its proper divisors (1).

14722439 is an equidigital number, since it uses as much as digits as its factorization.

14722439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 32.

The square root of 14722439 is about 3836.9830596446. The cubic root of 14722439 is about 245.0905621056.

The spelling of 14722439 in words is "fourteen million, seven hundred twenty-two thousand, four hundred thirty-nine".