11756225 has 24 divisors (see below), whose sum is σ = 15983352. Its totient is φ = 8524800.

The previous prime is 11756219. The next prime is 11756237. The reversal of 11756225 is 52265711.

It can be written as a sum of positive squares in 12 ways, for example, as 8042896 + 3713329 = 2836^2 + 1927^2 .

It is not a de Polignac number, because 11756225 - 2²² = 7561921 is a prime.

It is a Duffinian 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 23 ways as a sum of consecutive naturals, for example, 19529 + ... + 20121.

It is an arithmetic number, because the mean of its divisors is an integer number (665973).

Almost surely, 2^11756225 is an apocalyptic number.

It is an amenable number.

11756225 is a deficient number, since it is larger than the sum of its proper divisors (4227127).

11756225 is a wasteful number, since it uses less digits than its factorization.

11756225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677 (or 672 counting only the distinct ones).

The product of its digits is 4200, while the sum is 29.

The square root of 11756225 is about 3428.7351895415. The cubic root of 11756225 is about 227.3819376950.

The spelling of 11756225 in words is "eleven million, seven hundred fifty-six thousand, two hundred twenty-five".