12206900 has 18 divisors (see below), whose sum is σ = 26489190. Its totient is φ = 4882720.

The previous prime is 12206899. The next prime is 12206939. The reversal of 12206900 is 960221.

It can be written as a sum of positive squares in 3 ways, for example, as 68644 + 12138256 = 262^2 + 3484^2 .

It is a super-2 number, since 2×12206900² = 298016815220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

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 5 ways as a sum of consecutive naturals, for example, 60935 + ... + 61134.

Almost surely, 2^12206900 is an apocalyptic number.

12206900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12206900 is an abundant number, since it is smaller than the sum of its proper divisors (14282290).

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

12206900 is a wasteful number, since it uses less digits than its factorization.

12206900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122083 (or 122076 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 12206900 is about 3493.8374318219. The cubic root of 12206900 is about 230.2511434390.

The spelling of 12206900 in words is "twelve million, two hundred six thousand, nine hundred".