14263721 has 2 divisors, whose sum is σ = 14263722. Its totient is φ = 14263720.

The previous prime is 14263709. The next prime is 14263727. The reversal of 14263721 is 12736241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12673600 + 1590121 = 3560^2 + 1261^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14263721 is a prime.

It is equal to p₉₂₆₀₇₂ and since 14263721 and 926072 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (14263727) 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, 7131860 + 7131861.

It is an arithmetic number, because the mean of its divisors is an integer number (7131861).

Almost surely, 2^14263721 is an apocalyptic number.

It is an amenable number.

14263721 is a deficient number, since it is larger than the sum of its proper divisors (1).

14263721 is an equidigital number, since it uses as much as digits as its factorization.

14263721 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 26.

The square root of 14263721 is about 3776.7341712119. The cubic root of 14263721 is about 242.5181677677.

Adding to 14263721 its reverse (12736241), we get a palindrome (26999962).

The spelling of 14263721 in words is "fourteen million, two hundred sixty-three thousand, seven hundred twenty-one".