14478913 has 2 divisors, whose sum is σ = 14478914. Its totient is φ = 14478912.

The previous prime is 14478887. The next prime is 14478923. The reversal of 14478913 is 31987441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12439729 + 2039184 = 3527^2 + 1428^2 .

It is a cyclic number.

It is not a de Polignac number, because 14478913 - 2⁵ = 14478881 is a prime.

It is not a weakly prime, because it can be changed into another prime (14478923) 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, 7239456 + 7239457.

It is an arithmetic number, because the mean of its divisors is an integer number (7239457).

Almost surely, 2^14478913 is an apocalyptic number.

It is an amenable number.

14478913 is a deficient number, since it is larger than the sum of its proper divisors (1).

14478913 is an equidigital number, since it uses as much as digits as its factorization.

14478913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 37.

The square root of 14478913 is about 3805.1166867785. The cubic root of 14478913 is about 243.7316823403.

The spelling of 14478913 in words is "fourteen million, four hundred seventy-eight thousand, nine hundred thirteen".