11256216 has 16 divisors (see below), whose sum is σ = 28140600. Its totient is φ = 3752064.

The previous prime is 11256199. The next prime is 11256221. The reversal of 11256216 is 61265211.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 469009 = 11256216 / (1 + 1 + 2 + 5 + 6 + 2 + 1 + 6).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234481 + ... + 234528.

Almost surely, 2^11256216 is an apocalyptic number.

It is an amenable number.

11256216 is an abundant number, since it is smaller than the sum of its proper divisors (16884384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11256216 is a wasteful number, since it uses less digits than its factorization.

11256216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469018 (or 469014 counting only the distinct ones).

The product of its digits is 720, while the sum is 24.

The square root of 11256216 is about 3355.0284648569. The cubic root of 11256216 is about 224.1114984878. Note that the first 3 decimals are identical.

The spelling of 11256216 in words is "eleven million, two hundred fifty-six thousand, two hundred sixteen".