12162513 has 32 divisors (see below), whose sum is σ = 18662400. Its totient is φ = 6977600.

The previous prime is 12162503. The next prime is 12162517. The reversal of 12162513 is 31526121.

It is a cyclic number.

It is not a de Polignac number, because 12162513 - 2⁵ = 12162481 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12162513.

It is not an unprimeable number, because it can be changed into a prime (12162517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67858 + ... + 68036.

It is an arithmetic number, because the mean of its divisors is an integer number (583200).

Almost surely, 2^12162513 is an apocalyptic number.

It is an amenable number.

12162513 is a deficient number, since it is larger than the sum of its proper divisors (6499887).

12162513 is a wasteful number, since it uses less digits than its factorization.

12162513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293.

The product of its digits is 360, while the sum is 21.

The square root of 12162513 is about 3487.4794623051. The cubic root of 12162513 is about 229.9717230517.

Adding to 12162513 its reverse (31526121), we get a palindrome (43688634).

The spelling of 12162513 in words is "twelve million, one hundred sixty-two thousand, five hundred thirteen".