12822165 has 64 divisors (see below), whose sum is σ = 24952320. Its totient is φ = 6220800.

The previous prime is 12822151. The next prime is 12822179. The reversal of 12822165 is 56122821.

It is a happy number.

12822165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12822151) and next prime (12822179).

It is not a de Polignac number, because 12822165 - 2⁵ = 12822133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 84840 + ... + 84990.

It is an arithmetic number, because the mean of its divisors is an integer number (389880).

Almost surely, 2^12822165 is an apocalyptic number.

12822165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12822165 is the 2265-th heptagonal number.

It is an amenable number.

12822165 is a deficient number, since it is larger than the sum of its proper divisors (12130155).

12822165 is a wasteful number, since it uses less digits than its factorization.

12822165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219 (or 213 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 12822165 is about 3580.8050770741. The cubic root of 12822165 is about 234.0563638058.

Adding to 12822165 its reverse (56122821), we get a palindrome (68944986).

The spelling of 12822165 in words is "twelve million, eight hundred twenty-two thousand, one hundred sixty-five".