11939225 has 12 divisors (see below), whose sum is σ = 15049260. Its totient is φ = 9393600.

The previous prime is 11939203. The next prime is 11939227. The reversal of 11939225 is 52293911.

It can be written as a sum of positive squares in 6 ways, for example, as 4393216 + 7546009 = 2096^2 + 2747^2 .

It is not a de Polignac number, because 11939225 - 2¹² = 11935129 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11939191 and 11939200.

It is not an unprimeable number, because it can be changed into a prime (11939227) 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 11 ways as a sum of consecutive naturals, for example, 2390 + ... + 5439.

It is an arithmetic number, because the mean of its divisors is an integer number (1254105).

Almost surely, 2^11939225 is an apocalyptic number.

It is an amenable number.

11939225 is a deficient number, since it is larger than the sum of its proper divisors (3110035).

11939225 is an equidigital number, since it uses as much as digits as its factorization.

11939225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7900 (or 7895 counting only the distinct ones).

The product of its digits is 4860, while the sum is 32.

The square root of 11939225 is about 3455.3183644926. The cubic root of 11939225 is about 228.5556941364. Note that the first 3 decimals are identical.

The spelling of 11939225 in words is "eleven million, nine hundred thirty-nine thousand, two hundred twenty-five".