10813209 has 8 divisors (see below), whose sum is σ = 15728352. Its totient is φ = 6553440.

The previous prime is 10813199. The next prime is 10813237. The reversal of 10813209 is 90231801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10813209 - 2⁵ = 10813177 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10813279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163804 + ... + 163869.

It is an arithmetic number, because the mean of its divisors is an integer number (1966044).

Almost surely, 2^10813209 is an apocalyptic number.

It is an amenable number.

10813209 is a deficient number, since it is larger than the sum of its proper divisors (4915143).

10813209 is a wasteful number, since it uses less digits than its factorization.

10813209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327687.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 10813209 is about 3288.3444162679. The cubic root of 10813209 is about 221.1319687084.

The spelling of 10813209 in words is "ten million, eight hundred thirteen thousand, two hundred nine".