11630203 has 16 divisors (see below), whose sum is σ = 13237056. Its totient is φ = 10137600.

The previous prime is 11630153. The next prime is 11630219. The reversal of 11630203 is 30203611.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11630203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11630233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28803 + ... + 29203.

It is an arithmetic number, because the mean of its divisors is an integer number (827316).

Almost surely, 2^11630203 is an apocalyptic number.

11630203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11630203 is a deficient number, since it is larger than the sum of its proper divisors (1606853).

11630203 is a wasteful number, since it uses less digits than its factorization.

11630203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 11630203 is about 3410.3083438305. The cubic root of 11630203 is about 226.5665361754.

Adding to 11630203 its reverse (30203611), we get a palindrome (41833814).

The spelling of 11630203 in words is "eleven million, six hundred thirty thousand, two hundred three".