11273866 has 8 divisors (see below), whose sum is σ = 17494020. Its totient is φ = 5442528.

The previous prime is 11273861. The next prime is 11273879. The reversal of 11273866 is 66837211.

It can be written as a sum of positive squares in 2 ways, for example, as 10017225 + 1256641 = 3165^2 + 1121^2 .

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

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (11273861) 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, 97131 + ... + 97246.

Almost surely, 2^11273866 is an apocalyptic number.

11273866 is a deficient number, since it is larger than the sum of its proper divisors (6220154).

11273866 is a wasteful number, since it uses less digits than its factorization.

11273866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194408.

The product of its digits is 12096, while the sum is 34.

The square root of 11273866 is about 3357.6578146083. The cubic root of 11273866 is about 224.2285746074.

The spelling of 11273866 in words is "eleven million, two hundred seventy-three thousand, eight hundred sixty-six".