11979850 has 12 divisors (see below), whose sum is σ = 22282614. Its totient is φ = 4791920.

The previous prime is 11979839. The next prime is 11979853. The reversal of 11979850 is 5897911.

It is a happy number.

11979850 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 5764801 + 6215049 = 2401^2 + 2493^2 .

It is not an unprimeable number, because it can be changed into a prime (11979853) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 119749 + ... + 119848.

Almost surely, 2^11979850 is an apocalyptic number.

11979850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11979850 is a deficient number, since it is larger than the sum of its proper divisors (10302764).

11979850 is a wasteful number, since it uses less digits than its factorization.

11979850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239609 (or 239604 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 40.

The square root of 11979850 is about 3461.1919912077. The cubic root of 11979850 is about 228.8146323185.

The spelling of 11979850 in words is "eleven million, nine hundred seventy-nine thousand, eight hundred fifty".