14379821 has 2 divisors, whose sum is σ = 14379822. Its totient is φ = 14379820.

The previous prime is 14379809. The next prime is 14379823. The reversal of 14379821 is 12897341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7562500 + 6817321 = 2750^2 + 2611^2 .

It is a cyclic number.

It is not a de Polignac number, because 14379821 - 2¹⁰ = 14378797 is a prime.

Together with 14379823, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14379823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7189910 + 7189911.

It is an arithmetic number, because the mean of its divisors is an integer number (7189911).

Almost surely, 2^14379821 is an apocalyptic number.

It is an amenable number.

14379821 is a deficient number, since it is larger than the sum of its proper divisors (1).

14379821 is an equidigital number, since it uses as much as digits as its factorization.

14379821 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 35.

The square root of 14379821 is about 3792.0734433816. The cubic root of 14379821 is about 243.1743852600.

The spelling of 14379821 in words is "fourteen million, three hundred seventy-nine thousand, eight hundred twenty-one".