10939505 has 4 divisors (see below), whose sum is σ = 13127412. Its totient is φ = 8751600.

The previous prime is 10939499. The next prime is 10939507. The reversal of 10939505 is 50593901.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1459264 + 9480241 = 1208^2 + 3079^2 .

It is not a de Polignac number, because 10939505 - 2²² = 6745201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10939507) 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, 1093946 + ... + 1093955.

It is an arithmetic number, because the mean of its divisors is an integer number (3281853).

Almost surely, 2^10939505 is an apocalyptic number.

It is an amenable number.

10939505 is a deficient number, since it is larger than the sum of its proper divisors (2187907).

10939505 is an equidigital number, since it uses as much as digits as its factorization.

10939505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2187906.

The product of its (nonzero) digits is 6075, while the sum is 32.

The square root of 10939505 is about 3307.4922524475. The cubic root of 10939505 is about 221.9895633976.

The spelling of 10939505 in words is "ten million, nine hundred thirty-nine thousand, five hundred five".