11852220 has 48 divisors (see below), whose sum is σ = 33360768. Its totient is φ = 3144000.

The previous prime is 11852209. The next prime is 11852221. The reversal of 11852220 is 2225811.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11852221) 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, 14667 + ... + 15453.

It is an arithmetic number, because the mean of its divisors is an integer number (695016).

Almost surely, 2^11852220 is an apocalyptic number.

11852220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11852220 is an abundant number, since it is smaller than the sum of its proper divisors (21508548).

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

11852220 is a wasteful number, since it uses less digits than its factorization.

11852220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050 (or 1048 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 11852220 is about 3442.7053315670. The cubic root of 11852220 is about 227.9991535826. Note that the first 3 decimals are identical.

The spelling of 11852220 in words is "eleven million, eight hundred fifty-two thousand, two hundred twenty".