10505648 has 10 divisors (see below), whose sum is σ = 20354724. Its totient is φ = 5252816.

The previous prime is 10505647. The next prime is 10505653. The reversal of 10505648 is 84650501.

It is a happy number.

It is a super-2 number, since 2×10505648² = 220737279799808, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10505648.

It is not an unprimeable number, because it can be changed into a prime (10505647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328286 + ... + 328317.

Almost surely, 2^10505648 is an apocalyptic number.

It is an amenable number.

10505648 is a deficient number, since it is larger than the sum of its proper divisors (9849076).

10505648 is an equidigital number, since it uses as much as digits as its factorization.

10505648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656611 (or 656605 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 10505648 is about 3241.2417373593. The cubic root of 10505648 is about 219.0152126933.

The spelling of 10505648 in words is "ten million, five hundred five thousand, six hundred forty-eight".