11900986 has 8 divisors (see below), whose sum is σ = 18901620. Its totient is φ = 5600448.

The previous prime is 11900963. The next prime is 11900989. The reversal of 11900986 is 68900911.

11900986 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 2 ways, for example, as 11799225 + 101761 = 3435^2 + 319^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 350029 = 11900986 / (1 + 1 + 9 + 0 + 0 + 9 + 8 + 6).

It is not an unprimeable number, because it can be changed into a prime (11900989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174981 + ... + 175048.

Almost surely, 2^11900986 is an apocalyptic number.

11900986 is a deficient number, since it is larger than the sum of its proper divisors (7000634).

11900986 is a wasteful number, since it uses less digits than its factorization.

11900986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350048.

The product of its (nonzero) digits is 3888, while the sum is 34.

The square root of 11900986 is about 3449.7805727321. The cubic root of 11900986 is about 228.3114267911.

The spelling of 11900986 in words is "eleven million, nine hundred thousand, nine hundred eighty-six".