11856229 has 16 divisors (see below), whose sum is σ = 15261696. Its totient is φ = 8938800.

The previous prime is 11856223. The next prime is 11856239. The reversal of 11856229 is 92265811.

11856229 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11856229 - 2⁷ = 11856101 is a prime.

It is a super-2 number, since 2×11856229² = 281140332200882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11856194 and 11856203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11856223) 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 15 ways as a sum of consecutive naturals, for example, 97 + ... + 4870.

It is an arithmetic number, because the mean of its divisors is an integer number (953856).

Almost surely, 2^11856229 is an apocalyptic number.

It is an amenable number.

11856229 is a deficient number, since it is larger than the sum of its proper divisors (3405467).

11856229 is a wasteful number, since it uses less digits than its factorization.

11856229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5016.

The product of its digits is 8640, while the sum is 34.

The square root of 11856229 is about 3443.2875279302. The cubic root of 11856229 is about 228.0248575032.

The spelling of 11856229 in words is "eleven million, eight hundred fifty-six thousand, two hundred twenty-nine".