12648461 has 16 divisors (see below), whose sum is σ = 14851200. Its totient is φ = 10549440.

The previous prime is 12648451. The next prime is 12648473. The reversal of 12648461 is 16484621.

It is a cyclic number.

It is not a de Polignac number, because 12648461 - 2¹⁸ = 12386317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12648401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69791 + ... + 69971.

It is an arithmetic number, because the mean of its divisors is an integer number (928200).

Almost surely, 2^12648461 is an apocalyptic number.

It is an amenable number.

12648461 is a deficient number, since it is larger than the sum of its proper divisors (2202739).

12648461 is a wasteful number, since it uses less digits than its factorization.

12648461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404.

The product of its digits is 9216, while the sum is 32.

The square root of 12648461 is about 3556.4674889559. The cubic root of 12648461 is about 232.9946212540.

It can be divided in two parts, 1 and 2648461, that added together give a palindrome (2648462).

The spelling of 12648461 in words is "twelve million, six hundred forty-eight thousand, four hundred sixty-one".