14469821 has 2 divisors, whose sum is σ = 14469822. Its totient is φ = 14469820.

The previous prime is 14469817. The next prime is 14469853. The reversal of 14469821 is 12896441.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12996025 + 1473796 = 3605^2 + 1214^2 .

It is a cyclic number.

It is not a de Polignac number, because 14469821 - 2² = 14469817 is a prime.

It is equal to p₉₃₈₆₃₆ and since 14469821 and 938636 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 (14469121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7234910 + 7234911.

It is an arithmetic number, because the mean of its divisors is an integer number (7234911).

Almost surely, 2^14469821 is an apocalyptic number.

It is an amenable number.

14469821 is a deficient number, since it is larger than the sum of its proper divisors (1).

14469821 is an equidigital number, since it uses as much as digits as its factorization.

14469821 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 35.

The square root of 14469821 is about 3803.9217920457. The cubic root of 14469821 is about 243.6806547422.

The spelling of 14469821 in words is "fourteen million, four hundred sixty-nine thousand, eight hundred twenty-one".