12126065 has 16 divisors (see below), whose sum is σ = 16723200. Its totient is φ = 8268480.

The previous prime is 12126041. The next prime is 12126073. The reversal of 12126065 is 56062121.

12126065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12126065 - 2⁶ = 12126001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12126065.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6095 + ... + 7835.

It is an arithmetic number, because the mean of its divisors is an integer number (1045200).

Almost surely, 2^12126065 is an apocalyptic number.

It is an amenable number.

12126065 is a deficient number, since it is larger than the sum of its proper divisors (4597135).

12126065 is a wasteful number, since it uses less digits than its factorization.

12126065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1952.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 12126065 is about 3482.2499910259. The cubic root of 12126065 is about 229.7417706766.

Adding to 12126065 its reverse (56062121), we get a palindrome (68188186).

The spelling of 12126065 in words is "twelve million, one hundred twenty-six thousand, sixty-five".