10726209 has 16 divisors (see below), whose sum is σ = 17113600. Its totient is φ = 6600528.

The previous prime is 10726181. The next prime is 10726223. The reversal of 10726209 is 90262701.

10726209 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10726209 - 2⁹ = 10725697 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10726229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14929 + ... + 15630.

It is an arithmetic number, because the mean of its divisors is an integer number (1069600).

Almost surely, 2^10726209 is an apocalyptic number.

It is an amenable number.

10726209 is a deficient number, since it is larger than the sum of its proper divisors (6387391).

10726209 is a wasteful number, since it uses less digits than its factorization.

10726209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30581 (or 30575 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 10726209 is about 3275.0891590917. The cubic root of 10726209 is about 220.5373160964.

The spelling of 10726209 in words is "ten million, seven hundred twenty-six thousand, two hundred nine".