12680222 has 8 divisors (see below), whose sum is σ = 19847376. Its totient is φ = 6064432.

The previous prime is 12680207. The next prime is 12680243. The reversal of 12680222 is 22208621.

12680222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137783 + ... + 137874.

It is an arithmetic number, because the mean of its divisors is an integer number (2480922).

Almost surely, 2^12680222 is an apocalyptic number.

12680222 is a deficient number, since it is larger than the sum of its proper divisors (7167154).

12680222 is a wasteful number, since it uses less digits than its factorization.

12680222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275682.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 12680222 is about 3560.9299347221. The cubic root of 12680222 is about 233.1894791300.

Adding to 12680222 its reverse (22208621), we get a palindrome (34888843).

The spelling of 12680222 in words is "twelve million, six hundred eighty thousand, two hundred twenty-two".