14478791 has 2 divisors, whose sum is σ = 14478792. Its totient is φ = 14478790.

The previous prime is 14478749. The next prime is 14478811. The reversal of 14478791 is 19787441.

It is a strong prime.

It is an emirp because it is prime and its reverse (19787441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14478791 - 2⁶ = 14478727 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14478701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7239395 + 7239396.

It is an arithmetic number, because the mean of its divisors is an integer number (7239396).

Almost surely, 2^14478791 is an apocalyptic number.

14478791 is a deficient number, since it is larger than the sum of its proper divisors (1).

14478791 is an equidigital number, since it uses as much as digits as its factorization.

14478791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56448, while the sum is 41.

The square root of 14478791 is about 3805.1006556989. The cubic root of 14478791 is about 243.7309977735.

The spelling of 14478791 in words is "fourteen million, four hundred seventy-eight thousand, seven hundred ninety-one".