10947905 has 8 divisors (see below), whose sum is σ = 13273512. Its totient is φ = 8667648.

The previous prime is 10947889. The next prime is 10947941. The reversal of 10947905 is 50974901.

It can be written as a sum of positive squares in 4 ways, for example, as 5041 + 10942864 = 71^2 + 3308^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10947905 - 2⁴ = 10947889 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10802 + ... + 11771.

It is an arithmetic number, because the mean of its divisors is an integer number (1659189).

Almost surely, 2^10947905 is an apocalyptic number.

It is an amenable number.

10947905 is a deficient number, since it is larger than the sum of its proper divisors (2325607).

10947905 is an equidigital number, since it uses as much as digits as its factorization.

10947905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22675.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 10947905 is about 3308.7618530199. The cubic root of 10947905 is about 222.0463677733.

The spelling of 10947905 in words is "ten million, nine hundred forty-seven thousand, nine hundred five".