11671303 has 4 divisors (see below), whose sum is σ = 13338640. Its totient is φ = 10003968.

The previous prime is 11671273. The next prime is 11671307. The reversal of 11671303 is 30317611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30317611 = 23 ⋅1318157.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11671303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11671307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 833658 + ... + 833671.

It is an arithmetic number, because the mean of its divisors is an integer number (3334660).

Almost surely, 2^11671303 is an apocalyptic number.

11671303 is a deficient number, since it is larger than the sum of its proper divisors (1667337).

11671303 is an equidigital number, since it uses as much as digits as its factorization.

11671303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1667336.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 11671303 is about 3416.3288776112. The cubic root of 11671303 is about 226.8331103996.

Adding to 11671303 its reverse (30317611), we get a palindrome (41988914).

The spelling of 11671303 in words is "eleven million, six hundred seventy-one thousand, three hundred three".