10806503 has 2 divisors, whose sum is σ = 10806504. Its totient is φ = 10806502.

The previous prime is 10806487. The next prime is 10806511. The reversal of 10806503 is 30560801.

It is a strong prime.

It is an emirp because it is prime and its reverse (30560801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10806503 - 2⁴ = 10806487 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10806533) 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 as a sum of consecutive naturals, namely, 5403251 + 5403252.

It is an arithmetic number, because the mean of its divisors is an integer number (5403252).

Almost surely, 2^10806503 is an apocalyptic number.

10806503 is a deficient number, since it is larger than the sum of its proper divisors (1).

10806503 is an equidigital number, since it uses as much as digits as its factorization.

10806503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 10806503 is about 3287.3245960811. The cubic root of 10806503 is about 221.0862463073.

The spelling of 10806503 in words is "ten million, eight hundred six thousand, five hundred three".