14775947 has 2 divisors, whose sum is σ = 14775948. Its totient is φ = 14775946.

The previous prime is 14775919. The next prime is 14775953. The reversal of 14775947 is 74957741.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14775947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14775898 and 14775907.

It is not a weakly prime, because it can be changed into another prime (14775967) 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, 7387973 + 7387974.

It is an arithmetic number, because the mean of its divisors is an integer number (7387974).

Almost surely, 2^14775947 is an apocalyptic number.

14775947 is a deficient number, since it is larger than the sum of its proper divisors (1).

14775947 is an equidigital number, since it uses as much as digits as its factorization.

14775947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 246960, while the sum is 44.

The square root of 14775947 is about 3843.9494013319. The cubic root of 14775947 is about 245.3871264186.

The spelling of 14775947 in words is "fourteen million, seven hundred seventy-five thousand, nine hundred forty-seven".