11256312 has 64 divisors (see below), whose sum is σ = 30481920. Its totient is φ = 3450368.

The previous prime is 11256307. The next prime is 11256319. The reversal of 11256312 is 21365211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11256319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18883 + ... + 19469.

It is an arithmetic number, because the mean of its divisors is an integer number (476280).

Almost surely, 2^11256312 is an apocalyptic number.

11256312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11256312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15240960).

11256312 is an abundant number, since it is smaller than the sum of its proper divisors (19225608).

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

11256312 is a wasteful number, since it uses less digits than its factorization.

11256312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660 (or 656 counting only the distinct ones).

The product of its digits is 360, while the sum is 21.

The square root of 11256312 is about 3355.0427717095. The cubic root of 11256312 is about 224.1121356066.

It can be divided in two parts, 112563 and 12, that added together give a triangular number (112575 = T₄₇₄).

The spelling of 11256312 in words is "eleven million, two hundred fifty-six thousand, three hundred twelve".