11316643 has 8 divisors (see below), whose sum is σ = 12580736. Its totient is φ = 10108800.

The previous prime is 11316629. The next prime is 11316661. The reversal of 11316643 is 34661311.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-11316643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11316623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13638 + ... + 14443.

It is an arithmetic number, because the mean of its divisors is an integer number (1572592).

Almost surely, 2^11316643 is an apocalyptic number.

11316643 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11316643 is a deficient number, since it is larger than the sum of its proper divisors (1264093).

11316643 is a wasteful number, since it uses less digits than its factorization.

11316643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28125.

The product of its digits is 1296, while the sum is 25.

The square root of 11316643 is about 3364.0218489183. The cubic root of 11316643 is about 224.5118172757.

Adding to 11316643 its reverse (34661311), we get a palindrome (45977954).

The spelling of 11316643 in words is "eleven million, three hundred sixteen thousand, six hundred forty-three".