11243713 has 4 divisors (see below), whose sum is σ = 12108628. Its totient is φ = 10378800.

The previous prime is 11243663. The next prime is 11243719. The reversal of 11243713 is 31734211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7772944 + 3470769 = 2788^2 + 1863^2 .

It is a cyclic number.

It is not a de Polignac number, because 11243713 - 2¹⁷ = 11112641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11243719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 432438 + ... + 432463.

It is an arithmetic number, because the mean of its divisors is an integer number (3027157).

Almost surely, 2^11243713 is an apocalyptic number.

11243713 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11243713 is a deficient number, since it is larger than the sum of its proper divisors (864915).

11243713 is an equidigital number, since it uses as much as digits as its factorization.

11243713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864914.

The product of its digits is 504, while the sum is 22.

The square root of 11243713 is about 3353.1646246494. The cubic root of 11243713 is about 224.0284894143.

Adding to 11243713 its reverse (31734211), we get a palindrome (42977924).

It can be divided in two parts, 112437 and 13, that multiplied together give a square (1461681 = 1209²).

The spelling of 11243713 in words is "eleven million, two hundred forty-three thousand, seven hundred thirteen".