11713503 has 4 divisors (see below), whose sum is σ = 15618008. Its totient is φ = 7809000.

The previous prime is 11713453. The next prime is 11713517. The reversal of 11713503 is 30531711.

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

It is not a de Polignac number, because 11713503 - 2⁶ = 11713439 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11713503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11713553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1952248 + ... + 1952253.

It is an arithmetic number, because the mean of its divisors is an integer number (3904502).

Almost surely, 2^11713503 is an apocalyptic number.

11713503 is a deficient number, since it is larger than the sum of its proper divisors (3904505).

11713503 is an equidigital number, since it uses as much as digits as its factorization.

11713503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3904504.

The product of its (nonzero) digits is 315, while the sum is 21.

The square root of 11713503 is about 3422.4995252008. The cubic root of 11713503 is about 227.1061688414.

The spelling of 11713503 in words is "eleven million, seven hundred thirteen thousand, five hundred three".