11713005 has 20 divisors (see below), whose sum is σ = 20997372. Its totient is φ = 6246720.

The previous prime is 11713001. The next prime is 11713019. The reversal of 11713005 is 50031711.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6487209 + 5225796 = 2547^2 + 2286^2 .

It is not a de Polignac number, because 11713005 - 2² = 11713001 is a prime.

It is a super-2 number, since 2×11713005² = 274388972260050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11713001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14056 + ... + 14865.

Almost surely, 2^11713005 is an apocalyptic number.

11713005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11713005 is a deficient number, since it is larger than the sum of its proper divisors (9284367).

11713005 is an equidigital number, since it uses as much as digits as its factorization.

11713005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28938 (or 28929 counting only the distinct ones).

The product of its (nonzero) digits is 105, while the sum is 18.

The square root of 11713005 is about 3422.4267705825. The cubic root of 11713005 is about 227.1029503202.

Adding to 11713005 its reverse (50031711), we get a palindrome (61744716).

The spelling of 11713005 in words is "eleven million, seven hundred thirteen thousand, five".