11866425 has 48 divisors (see below), whose sum is σ = 21373632. Its totient is φ = 5785600.

The previous prime is 11866417. The next prime is 11866451. The reversal of 11866425 is 52466811.

It is not a de Polignac number, because 11866425 - 2³ = 11866417 is a prime.

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 47 ways as a sum of consecutive naturals, for example, 52162 + ... + 52388.

It is an arithmetic number, because the mean of its divisors is an integer number (445284).

Almost surely, 2^11866425 is an apocalyptic number.

11866425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11866425 is a deficient number, since it is larger than the sum of its proper divisors (9507207).

11866425 is a wasteful number, since it uses less digits than its factorization.

11866425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298 (or 293 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 11866425 is about 3444.7677715631. The cubic root of 11866425 is about 228.0902036125.

The spelling of 11866425 in words is "eleven million, eight hundred sixty-six thousand, four hundred twenty-five".