14470921 has 2 divisors, whose sum is σ = 14470922. Its totient is φ = 14470920.

The previous prime is 14470901. The next prime is 14470943. The reversal of 14470921 is 12907441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9000000 + 5470921 = 3000^2 + 2339^2 .

It is a cyclic number.

It is not a de Polignac number, because 14470921 - 2⁹ = 14470409 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14470921.

It is not a weakly prime, because it can be changed into another prime (14470901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7235460 + 7235461.

It is an arithmetic number, because the mean of its divisors is an integer number (7235461).

Almost surely, 2^14470921 is an apocalyptic number.

It is an amenable number.

14470921 is a deficient number, since it is larger than the sum of its proper divisors (1).

14470921 is an equidigital number, since it uses as much as digits as its factorization.

14470921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 14470921 is about 3804.0663769183. The cubic root of 14470921 is about 243.6868294771.

It can be divided in two parts, 14 and 470921, that added together give a triangular number (470935 = T₉₇₀).

The spelling of 14470921 in words is "fourteen million, four hundred seventy thousand, nine hundred twenty-one".