11856225 has 36 divisors (see below), whose sum is σ = 20861264. Its totient is φ = 5940480.

The previous prime is 11856223. The next prime is 11856239. The reversal of 11856225 is 52265811.

11856225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11856225 - 2¹ = 11856223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11856192 and 11856201.

It is not an unprimeable number, because it can be changed into a prime (11856223) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 21402 + ... + 21948.

Almost surely, 2^11856225 is an apocalyptic number.

11856225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11856225 is a deficient number, since it is larger than the sum of its proper divisors (9005039).

11856225 is a wasteful number, since it uses less digits than its factorization.

11856225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594 (or 572 counting only the distinct ones).

The product of its digits is 4800, while the sum is 30.

The square root of 11856225 is about 3443.2869470899. The cubic root of 11856225 is about 228.0248318599.

The spelling of 11856225 in words is "eleven million, eight hundred fifty-six thousand, two hundred twenty-five".