10947857 has 4 divisors (see below), whose sum is σ = 11524080. Its totient is φ = 10371636.

The previous prime is 10947841. The next prime is 10947889. The reversal of 10947857 is 75874901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10947857 - 2⁴ = 10947841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10947817) 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, 288083 + ... + 288120.

It is an arithmetic number, because the mean of its divisors is an integer number (2881020).

Almost surely, 2^10947857 is an apocalyptic number.

It is an amenable number.

10947857 is a deficient number, since it is larger than the sum of its proper divisors (576223).

10947857 is an equidigital number, since it uses as much as digits as its factorization.

10947857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576222.

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 10947857 is about 3308.7545995435. The cubic root of 10947857 is about 222.0460432594.

The spelling of 10947857 in words is "ten million, nine hundred forty-seven thousand, eight hundred fifty-seven".