14673821 has 2 divisors, whose sum is σ = 14673822. Its totient is φ = 14673820.

The previous prime is 14673817. The next prime is 14673829. The reversal of 14673821 is 12837641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12348196 + 2325625 = 3514^2 + 1525^2 .

It is an emirp because it is prime and its reverse (12837641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14673821 - 2² = 14673817 is a prime.

It is a Chen prime.

It is equal to p₉₅₀₉₇₂ and since 14673821 and 950972 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 (14673829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7336910 + 7336911.

It is an arithmetic number, because the mean of its divisors is an integer number (7336911).

Almost surely, 2^14673821 is an apocalyptic number.

It is an amenable number.

14673821 is a deficient number, since it is larger than the sum of its proper divisors (1).

14673821 is an equidigital number, since it uses as much as digits as its factorization.

14673821 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 32.

The square root of 14673821 is about 3830.6423743284. The cubic root of 14673821 is about 244.8204765665.

The spelling of 14673821 in words is "fourteen million, six hundred seventy-three thousand, eight hundred twenty-one".