11386216 has 8 divisors (see below), whose sum is σ = 21349170. Its totient is φ = 5693104.

The previous prime is 11386213. The next prime is 11386223. The reversal of 11386216 is 61268311.

It can be written as a sum of positive squares in only one way, i.e., 11249316 + 136900 = 3354^2 + 370^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (11386211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711631 + ... + 711646.

Almost surely, 2^11386216 is an apocalyptic number.

It is an amenable number.

11386216 is a deficient number, since it is larger than the sum of its proper divisors (9962954).

11386216 is a wasteful number, since it uses less digits than its factorization.

11386216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423283 (or 1423279 counting only the distinct ones).

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

The square root of 11386216 is about 3374.3467515950. The cubic root of 11386216 is about 224.9709658009.

The spelling of 11386216 in words is "eleven million, three hundred eighty-six thousand, two hundred sixteen".