11717203 has 2 divisors, whose sum is σ = 11717204. Its totient is φ = 11717202.

The previous prime is 11717191. The next prime is 11717207. The reversal of 11717203 is 30271711.

11717203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (30271711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11717203 - 2¹⁷ = 11586131 is a prime.

It is a super-2 number, since 2×11717203² = 274585692286418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11717207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5858601 + 5858602.

It is an arithmetic number, because the mean of its divisors is an integer number (5858602).

Almost surely, 2^11717203 is an apocalyptic number.

11717203 is a deficient number, since it is larger than the sum of its proper divisors (1).

11717203 is an equidigital number, since it uses as much as digits as its factorization.

11717203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 294, while the sum is 22.

The square root of 11717203 is about 3423.0400231373. The cubic root of 11717203 is about 227.1300786933.

Adding to 11717203 its reverse (30271711), we get a palindrome (41988914).

The spelling of 11717203 in words is "eleven million, seven hundred seventeen thousand, two hundred three".