11802312 has 48 divisors (see below), whose sum is σ = 33359040. Its totient is φ = 3762528.

The previous prime is 11802293. The next prime is 11802313. The reversal of 11802312 is 21320811.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (11802313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1908 + ... + 5219.

It is an arithmetic number, because the mean of its divisors is an integer number (694980).

Almost surely, 2^11802312 is an apocalyptic number.

11802312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11802312 is an abundant number, since it is smaller than the sum of its proper divisors (21556728).

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

11802312 is a wasteful number, since it uses less digits than its factorization.

11802312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7162 (or 7155 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 11802312 is about 3435.4493155918. The cubic root of 11802312 is about 227.6786794160.

The spelling of 11802312 in words is "eleven million, eight hundred two thousand, three hundred twelve".