11986225 has 12 divisors (see below), whose sum is σ = 14927616. Its totient is φ = 9547280.

The previous prime is 11986211. The next prime is 11986231. The reversal of 11986225 is 52268911.

It is not a de Polignac number, because 11986225 - 2⁷ = 11986097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 5664 + ... + 7486.

It is an arithmetic number, because the mean of its divisors is an integer number (1243968).

Almost surely, 2^11986225 is an apocalyptic number.

It is an amenable number.

11986225 is a deficient number, since it is larger than the sum of its proper divisors (2941391).

11986225 is a wasteful number, since it uses less digits than its factorization.

11986225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2096 (or 2091 counting only the distinct ones).

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

The square root of 11986225 is about 3462.1127942342. The cubic root of 11986225 is about 228.8552125320.

The spelling of 11986225 in words is "eleven million, nine hundred eighty-six thousand, two hundred twenty-five".