14675821 has 2 divisors, whose sum is σ = 14675822. Its totient is φ = 14675820.

The previous prime is 14675813. The next prime is 14675849. The reversal of 14675821 is 12857641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14523721 + 152100 = 3811^2 + 390^2 .

It is a cyclic number.

It is not a de Polignac number, because 14675821 - 2³ = 14675813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14675861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7337910 + 7337911.

It is an arithmetic number, because the mean of its divisors is an integer number (7337911).

Almost surely, 2^14675821 is an apocalyptic number.

It is an amenable number.

14675821 is a deficient number, since it is larger than the sum of its proper divisors (1).

14675821 is an equidigital number, since it uses as much as digits as its factorization.

14675821 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13440, while the sum is 34.

The square root of 14675821 is about 3830.9034182553. The cubic root of 14675821 is about 244.8315988391.

The spelling of 14675821 in words is "fourteen million, six hundred seventy-five thousand, eight hundred twenty-one".