14999947 has 2 divisors, whose sum is σ = 14999948. Its totient is φ = 14999946.

The previous prime is 14999921. The next prime is 14999953. The reversal of 14999947 is 74999941.

14999947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14999947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14999894 and 14999903.

It is not a weakly prime, because it can be changed into another prime (14999917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7499973 + 7499974.

It is an arithmetic number, because the mean of its divisors is an integer number (7499974).

Almost surely, 2^14999947 is an apocalyptic number.

14999947 is a deficient number, since it is larger than the sum of its proper divisors (1).

14999947 is an equidigital number, since it uses as much as digits as its factorization.

14999947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 734832, while the sum is 52.

The square root of 14999947 is about 3872.9765039308. The cubic root of 14999947 is about 246.6209169677.

The spelling of 14999947 in words is "fourteen million, nine hundred ninety-nine thousand, nine hundred forty-seven".