12461345 has 16 divisors (see below), whose sum is σ = 16450560. Its totient is φ = 9004224.

The previous prime is 12461311. The next prime is 12461347. The reversal of 12461345 is 54316421.

It is a cyclic number.

It is not a de Polignac number, because 12461345 - 2²⁰ = 11412769 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12461347) 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 15 ways as a sum of consecutive naturals, for example, 1016 + ... + 5094.

It is an arithmetic number, because the mean of its divisors is an integer number (1028160).

Almost surely, 2^12461345 is an apocalyptic number.

It is an amenable number.

12461345 is a deficient number, since it is larger than the sum of its proper divisors (3989215).

12461345 is a wasteful number, since it uses less digits than its factorization.

12461345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4144.

The product of its digits is 2880, while the sum is 26.

The square root of 12461345 is about 3530.0630305987. The cubic root of 12461345 is about 231.8399671719.

Adding to 12461345 its reverse (54316421), we get a palindrome (66777766).

The spelling of 12461345 in words is "twelve million, four hundred sixty-one thousand, three hundred forty-five".