11306243 has 16 divisors (see below), whose sum is σ = 12566400. Its totient is φ = 10108800.

The previous prime is 11306219. The next prime is 11306249. The reversal of 11306243 is 34260311.

It is not a de Polignac number, because 11306243 - 2¹⁶ = 11240707 is a prime.

It is a super-2 number, since 2×11306243² = 255662261550098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11306249) 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, 103673 + ... + 103781.

It is an arithmetic number, because the mean of its divisors is an integer number (785400).

Almost surely, 2^11306243 is an apocalyptic number.

11306243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11306243 is a deficient number, since it is larger than the sum of its proper divisors (1260157).

11306243 is a wasteful number, since it uses less digits than its factorization.

11306243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 11306243 is about 3362.4757248194. The cubic root of 11306243 is about 224.4430207097.

Adding to 11306243 its reverse (34260311), we get a palindrome (45566554).

The spelling of 11306243 in words is "eleven million, three hundred six thousand, two hundred forty-three".