11206189 has 8 divisors (see below), whose sum is σ = 11381688. Its totient is φ = 11032320.

The previous prime is 11206183. The next prime is 11206193. The reversal of 11206189 is 98160211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 532900 + 10673289 = 730^2 + 3267^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11206189 - 2⁷ = 11206061 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11206183) 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, 21249 + ... + 21769.

It is an arithmetic number, because the mean of its divisors is an integer number (1422711).

Almost surely, 2^11206189 is an apocalyptic number.

It is an amenable number.

11206189 is a deficient number, since it is larger than the sum of its proper divisors (175499).

11206189 is a wasteful number, since it uses less digits than its factorization.

11206189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815.

The product of its (nonzero) digits is 864, while the sum is 28.

The square root of 11206189 is about 3347.5646371654. The cubic root of 11206189 is about 223.7789925291.

The spelling of 11206189 in words is "eleven million, two hundred six thousand, one hundred eighty-nine".