12922065 has 64 divisors (see below), whose sum is σ = 25536000. Its totient is φ = 6158592.

The previous prime is 12922061. The next prime is 12922079. The reversal of 12922065 is 56022921.

It is not a de Polignac number, because 12922065 - 2² = 12922061 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (12922061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 64836 + ... + 65034.

It is an arithmetic number, because the mean of its divisors is an integer number (399000).

Almost surely, 2^12922065 is an apocalyptic number.

12922065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12922065 is a deficient number, since it is larger than the sum of its proper divisors (12613935).

12922065 is a wasteful number, since it uses less digits than its factorization.

12922065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263 (or 257 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 12922065 is about 3594.7273888294. The cubic root of 12922065 is about 234.6626516168.

Adding to 12922065 its reverse (56022921), we get a palindrome (68944986).

The spelling of 12922065 in words is "twelve million, nine hundred twenty-two thousand, sixty-five".