14441821 has 2 divisors, whose sum is σ = 14441822. Its totient is φ = 14441820.

The previous prime is 14441813. The next prime is 14441827. The reversal of 14441821 is 12814441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13793796 + 648025 = 3714^2 + 805^2 .

It is a cyclic number.

It is not a de Polignac number, because 14441821 - 2³ = 14441813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14441827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7220910 + 7220911.

It is an arithmetic number, because the mean of its divisors is an integer number (7220911).

Almost surely, 2^14441821 is an apocalyptic number.

It is an amenable number.

14441821 is a deficient number, since it is larger than the sum of its proper divisors (1).

14441821 is an equidigital number, since it uses as much as digits as its factorization.

14441821 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1024, while the sum is 25.

The square root of 14441821 is about 3800.2395977096. The cubic root of 14441821 is about 243.5233741952.

The spelling of 14441821 in words is "fourteen million, four hundred forty-one thousand, eight hundred twenty-one".