12209190 has 64 divisors (see below), whose sum is σ = 34228224. Its totient is φ = 2729088.

The previous prime is 12209167. The next prime is 12209207. The reversal of 12209190 is 9190221.

It is a super-2 number, since 2×12209190² = 298128640912200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12209190.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9252 + ... + 10488.

It is an arithmetic number, because the mean of its divisors is an integer number (534816).

Almost surely, 2^12209190 is an apocalyptic number.

12209190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12209190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17114112).

12209190 is an abundant number, since it is smaller than the sum of its proper divisors (22019034).

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

12209190 is a wasteful number, since it uses less digits than its factorization.

12209190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301.

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 12209190 is about 3494.1651363380. The cubic root of 12209190 is about 230.2655408195.

The spelling of 12209190 in words is "twelve million, two hundred nine thousand, one hundred ninety".