12822261 has 8 divisors (see below), whose sum is σ = 17376864. Its totient is φ = 8407920.

The previous prime is 12822203. The next prime is 12822269. The reversal of 12822261 is 16222821.

12822261 is digitally balanced in base 3, 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 not a de Polignac number, because 12822261 - 2⁷ = 12822133 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12822269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34851 + ... + 35216.

It is an arithmetic number, because the mean of its divisors is an integer number (2172108).

Almost surely, 2^12822261 is an apocalyptic number.

It is an amenable number.

12822261 is a deficient number, since it is larger than the sum of its proper divisors (4554603).

12822261 is an equidigital number, since it uses as much as digits as its factorization.

12822261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70131.

The product of its digits is 768, while the sum is 24.

The square root of 12822261 is about 3580.8184818558. The cubic root of 12822261 is about 234.0569479338.

The spelling of 12822261 in words is "twelve million, eight hundred twenty-two thousand, two hundred sixty-one".