12822745 has 8 divisors (see below), whose sum is σ = 16571016. Its totient is φ = 9469056.

The previous prime is 12822731. The next prime is 12822763. The reversal of 12822745 is 54722821.

It is a happy number.

12822745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2396304 + 10426441 = 1548^2 + 3229^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 12822745 - 2⁵ = 12822713 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98572 + ... + 98701.

It is an arithmetic number, because the mean of its divisors is an integer number (2071377).

Almost surely, 2^12822745 is an apocalyptic number.

It is an amenable number.

12822745 is a deficient number, since it is larger than the sum of its proper divisors (3748271).

12822745 is a wasteful number, since it uses less digits than its factorization.

12822745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197291.

The product of its digits is 8960, while the sum is 31.

The square root of 12822745 is about 3580.8860635323. The cubic root of 12822745 is about 234.0598928678.

The spelling of 12822745 in words is "twelve million, eight hundred twenty-two thousand, seven hundred forty-five".