14947147 has 2 divisors, whose sum is σ = 14947148. Its totient is φ = 14947146.

The previous prime is 14947139. The next prime is 14947159. The reversal of 14947147 is 74174941.

It is a weak prime.

It is an emirp because it is prime and its reverse (74174941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14947147 - 2³ = 14947139 is a prime.

It is equal to p₉₆₇₅₃₇ and since 14947147 and 967537 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (14947117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7473573 + 7473574.

It is an arithmetic number, because the mean of its divisors is an integer number (7473574).

Almost surely, 2^14947147 is an apocalyptic number.

14947147 is a deficient number, since it is larger than the sum of its proper divisors (1).

14947147 is an equidigital number, since it uses as much as digits as its factorization.

14947147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28224, while the sum is 37.

The square root of 14947147 is about 3866.1540321099. The cubic root of 14947147 is about 246.3312072090.

The spelling of 14947147 in words is "fourteen million, nine hundred forty-seven thousand, one hundred forty-seven".