10847947 has 4 divisors (see below), whose sum is σ = 11834136. Its totient is φ = 9861760.

The previous prime is 10847939. The next prime is 10847953. The reversal of 10847947 is 74974801.

10847947 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74974801 = 11 ⋅6815891.

It is a cyclic number.

It is not a de Polignac number, because 10847947 - 2³ = 10847939 is a prime.

It is a super-2 number, since 2×10847947² = 235355908229618, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10847957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 493078 + ... + 493099.

It is an arithmetic number, because the mean of its divisors is an integer number (2958534).

Almost surely, 2^10847947 is an apocalyptic number.

10847947 is a deficient number, since it is larger than the sum of its proper divisors (986189).

10847947 is an equidigital number, since it uses as much as digits as its factorization.

10847947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986188.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 10847947 is about 3293.6221701950. The cubic root of 10847947 is about 221.3685149253.

It can be divided in two parts, 1084794 and 7, that added together give a palindrome (1084801).

The spelling of 10847947 in words is "ten million, eight hundred forty-seven thousand, nine hundred forty-seven".