12621122 has 8 divisors (see below), whose sum is σ = 18946956. Its totient is φ = 6305472.

The previous prime is 12621121. The next prime is 12621127. The reversal of 12621122 is 22112621.

It can be written as a sum of positive squares in 2 ways, for example, as 12453841 + 167281 = 3529^2 + 409^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 12621122.

It is not an unprimeable number, because it can be changed into a prime (12621121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2798 + ... + 5750.

Almost surely, 2^12621122 is an apocalyptic number.

12621122 is a deficient number, since it is larger than the sum of its proper divisors (6325834).

12621122 is a wasteful number, since it uses less digits than its factorization.

12621122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5092.

The product of its digits is 96, while the sum is 17.

The square root of 12621122 is about 3552.6218487196. The cubic root of 12621122 is about 232.8266315191.

Adding to 12621122 its reverse (22112621), we get a palindrome (34733743).

The spelling of 12621122 in words is "twelve million, six hundred twenty-one thousand, one hundred twenty-two".