11673220 has 96 divisors (see below), whose sum is σ = 29635200. Its totient is φ = 3815424.

The previous prime is 11673199. The next prime is 11673229. The reversal of 11673220 is 2237611.

It is a junction number, because it is equal to n+sod(n) for n = 11673191 and 11673200.

It is not an unprimeable number, because it can be changed into a prime (11673229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83911 + ... + 84049.

It is an arithmetic number, because the mean of its divisors is an integer number (308700).

Almost surely, 2^11673220 is an apocalyptic number.

11673220 is a gapful number since it is divisible by the number (10) 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 11673220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14817600).

11673220 is an abundant number, since it is smaller than the sum of its proper divisors (17961980).

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

11673220 is a wasteful number, since it uses less digits than its factorization.

11673220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 195 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 11673220 is about 3416.6094304149. The cubic root of 11673220 is about 226.8455287579.

The spelling of 11673220 in words is "eleven million, six hundred seventy-three thousand, two hundred twenty".