11203389 has 6 divisors (see below), whose sum is σ = 16182686. Its totient is φ = 7468920.

The previous prime is 11203337. The next prime is 11203393. The reversal of 11203389 is 98330211.

It can be written as a sum of positive squares in only one way, i.e., 10791225 + 412164 = 3285^2 + 642^2 .

It is not a de Polignac number, because 11203389 - 2¹¹ = 11201341 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201389) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 622402 + ... + 622419.

Almost surely, 2^11203389 is an apocalyptic number.

It is an amenable number.

11203389 is a deficient number, since it is larger than the sum of its proper divisors (4979297).

11203389 is a wasteful number, since it uses less digits than its factorization.

11203389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244827 (or 1244824 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 11203389 is about 3347.1463965593. The cubic root of 11203389 is about 223.7603530264.

The spelling of 11203389 in words is "eleven million, two hundred three thousand, three hundred eighty-nine".