10781648 has 20 divisors (see below), whose sum is σ = 21376608. Its totient is φ = 5265120.

The previous prime is 10781623. The next prime is 10781651. The reversal of 10781648 is 84618701.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7148 + ... + 8523.

Almost surely, 2^10781648 is an apocalyptic number.

It is an amenable number.

10781648 is a deficient number, since it is larger than the sum of its proper divisors (10594960).

10781648 is a wasteful number, since it uses less digits than its factorization.

10781648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15722 (or 15716 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 10781648 is about 3283.5419899858. The cubic root of 10781648 is about 220.9166164415.

The spelling of 10781648 in words is "ten million, seven hundred eighty-one thousand, six hundred forty-eight".