11261986 has 8 divisors (see below), whose sum is σ = 17349660. Its totient is φ = 5478768.

The previous prime is 11261981. The next prime is 11262011. The reversal of 11261986 is 68916211.

It can be written as a sum of positive squares in 2 ways, for example, as 10764961 + 497025 = 3281^2 + 705^2 .

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

It is not an unprimeable number, because it can be changed into a prime (11261981) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 76021 + ... + 76168.

Almost surely, 2^11261986 is an apocalyptic number.

11261986 is a deficient number, since it is larger than the sum of its proper divisors (6087674).

11261986 is a wasteful number, since it uses less digits than its factorization.

11261986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152228.

The product of its digits is 5184, while the sum is 34.

The square root of 11261986 is about 3355.8882579728. Note that the first 3 decimals coincide. The cubic root of 11261986 is about 224.1497855538.

The spelling of 11261986 in words is "eleven million, two hundred sixty-one thousand, nine hundred eighty-six".