14478811 has 2 divisors, whose sum is σ = 14478812. Its totient is φ = 14478810.

The previous prime is 14478791. The next prime is 14478833. The reversal of 14478811 is 11887441.

14478811 is nontrivially palindromic in base 5.

It is a weak prime.

It is an emirp because it is prime and its reverse (11887441) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14478811 is a prime.

It is not a weakly prime, because it can be changed into another prime (14478881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7239405 + 7239406.

It is an arithmetic number, because the mean of its divisors is an integer number (7239406).

Almost surely, 2^14478811 is an apocalyptic number.

14478811 is a deficient number, since it is larger than the sum of its proper divisors (1).

14478811 is an equidigital number, since it uses as much as digits as its factorization.

14478811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7168, while the sum is 34.

The square root of 14478811 is about 3805.1032837493. The cubic root of 14478811 is about 243.7311099979.

The spelling of 14478811 in words is "fourteen million, four hundred seventy-eight thousand, eight hundred eleven".