10147947 has 4 divisors (see below), whose sum is σ = 13530600. Its totient is φ = 6765296.

The previous prime is 10147939. The next prime is 10147961. The reversal of 10147947 is 74974101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74974101 = 3 ⋅24991367.

It is a cyclic number.

It is not a de Polignac number, because 10147947 - 2³ = 10147939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10147927) 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 in 3 ways as a sum of consecutive naturals, for example, 1691322 + ... + 1691327.

It is an arithmetic number, because the mean of its divisors is an integer number (3382650).

Almost surely, 2^10147947 is an apocalyptic number.

10147947 is a deficient number, since it is larger than the sum of its proper divisors (3382653).

10147947 is an equidigital number, since it uses as much as digits as its factorization.

10147947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3382652.

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 10147947 is about 3185.5842478264. The cubic root of 10147947 is about 216.5007458190.

The spelling of 10147947 in words is "ten million, one hundred forty-seven thousand, nine hundred forty-seven".