11312886 has 16 divisors (see below), whose sum is σ = 24366384. Its totient is φ = 3480864.

The previous prime is 11312881. The next prime is 11312887. The reversal of 11312886 is 68821311.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11312881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72441 + ... + 72596.

It is an arithmetic number, because the mean of its divisors is an integer number (1522899).

Almost surely, 2^11312886 is an apocalyptic number.

11312886 is an abundant number, since it is smaller than the sum of its proper divisors (13053498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11312886 is a wasteful number, since it uses less digits than its factorization.

11312886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145055.

The product of its digits is 2304, while the sum is 30.

The square root of 11312886 is about 3363.4633935870. The cubic root of 11312886 is about 224.4869693811.

The spelling of 11312886 in words is "eleven million, three hundred twelve thousand, eight hundred eighty-six".