11213668 has 12 divisors (see below), whose sum is σ = 19798380. Its totient is φ = 5556992.

The previous prime is 11213663. The next prime is 11213677. The reversal of 11213668 is 86631211.

11213668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 4359744 + 6853924 = 2088^2 + 2618^2 .

It is not an unprimeable number, because it can be changed into a prime (11213663) 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, 11953 + ... + 12856.

It is an arithmetic number, because the mean of its divisors is an integer number (1649865).

Almost surely, 2^11213668 is an apocalyptic number.

It is an amenable number.

11213668 is a deficient number, since it is larger than the sum of its proper divisors (8584712).

11213668 is a wasteful number, since it uses less digits than its factorization.

11213668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24926 (or 24924 counting only the distinct ones).

The product of its digits is 1728, while the sum is 28.

The square root of 11213668 is about 3348.6815315882. The cubic root of 11213668 is about 223.8287647545.

Adding to 11213668 its reverse (86631211), we get a palindrome (97844879).

It can be divided in two parts, 11213 and 668, that added together give a square (11881 = 109²).

The spelling of 11213668 in words is "eleven million, two hundred thirteen thousand, six hundred sixty-eight".