11803212 has 48 divisors (see below), whose sum is σ = 30787680. Its totient is φ = 3910464.

The previous prime is 11803171. The next prime is 11803213. The reversal of 11803212 is 21230811.

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 (11803213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31458 + ... + 31830.

It is an arithmetic number, because the mean of its divisors is an integer number (641410).

Almost surely, 2^11803212 is an apocalyptic number.

11803212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11803212 is an abundant number, since it is smaller than the sum of its proper divisors (18984468).

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

11803212 is a wasteful number, since it uses less digits than its factorization.

11803212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679 (or 671 counting only the distinct ones).

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

The square root of 11803212 is about 3435.5803003277. The cubic root of 11803212 is about 227.6844665760.

The spelling of 11803212 in words is "eleven million, eight hundred three thousand, two hundred twelve".