11930986 has 4 divisors (see below), whose sum is σ = 17896482. Its totient is φ = 5965492.

The previous prime is 11930969. The next prime is 11930987. The reversal of 11930986 is 68903911.

11930986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68903911 = 1123 ⋅61357.

It can be written as a sum of positive squares in only one way, i.e., 9418761 + 2512225 = 3069^2 + 1585^2 .

It is not an unprimeable number, because it can be changed into a prime (11930987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2982745 + ... + 2982748.

Almost surely, 2^11930986 is an apocalyptic number.

11930986 is a deficient number, since it is larger than the sum of its proper divisors (5965496).

11930986 is an equidigital number, since it uses as much as digits as its factorization.

11930986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5965495.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 11930986 is about 3454.1259386421. The cubic root of 11930986 is about 228.5031082640.

The spelling of 11930986 in words is "eleven million, nine hundred thirty thousand, nine hundred eighty-six".