11317403 has 4 divisors (see below), whose sum is σ = 11809488. Its totient is φ = 10825320.

The previous prime is 11317381. The next prime is 11317421. The reversal of 11317403 is 30471311.

It is a happy number.

11317403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 11317403 - 2¹⁰ = 11316379 is a prime.

It is a super-2 number, since 2×11317403² = 256167221328818, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11317003) 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, 246008 + ... + 246053.

It is an arithmetic number, because the mean of its divisors is an integer number (2952372).

Almost surely, 2^11317403 is an apocalyptic number.

11317403 is a deficient number, since it is larger than the sum of its proper divisors (492085).

11317403 is an equidigital number, since it uses as much as digits as its factorization.

11317403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492084.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 11317403 is about 3364.1348070492. The cubic root of 11317403 is about 224.5168430641.

Adding to 11317403 its reverse (30471311), we get a palindrome (41788714).

The spelling of 11317403 in words is "eleven million, three hundred seventeen thousand, four hundred three".