11217308 has 6 divisors (see below), whose sum is σ = 19630296. Its totient is φ = 5608652.

The previous prime is 11217301. The next prime is 11217317. The reversal of 11217308 is 80371211.

It is a happy number.

11217308 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11217301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1402160 + ... + 1402167.

It is an arithmetic number, because the mean of its divisors is an integer number (3271716).

Almost surely, 2^11217308 is an apocalyptic number.

It is an amenable number.

11217308 is a deficient number, since it is larger than the sum of its proper divisors (8412988).

11217308 is a wasteful number, since it uses less digits than its factorization.

11217308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2804331 (or 2804329 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 11217308 is about 3349.2249849779. The cubic root of 11217308 is about 223.8529806954.

Adding to 11217308 its reverse (80371211), we get a palindrome (91588519).

The spelling of 11217308 in words is "eleven million, two hundred seventeen thousand, three hundred eight".