12200290 has 8 divisors (see below), whose sum is σ = 21960540. Its totient is φ = 4880112.

The previous prime is 12200263. The next prime is 12200291. The reversal of 12200290 is 9200221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11431161 + 769129 = 3381^2 + 877^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12200291) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 610005 + ... + 610024.

Almost surely, 2^12200290 is an apocalyptic number.

12200290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12200290 is a deficient number, since it is larger than the sum of its proper divisors (9760250).

12200290 is a wasteful number, since it uses less digits than its factorization.

12200290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220036.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 12200290 is about 3492.8913524471. The cubic root of 12200290 is about 230.2095758324.

The spelling of 12200290 in words is "twelve million, two hundred thousand, two hundred ninety".