12646468 has 6 divisors (see below), whose sum is σ = 22131326. Its totient is φ = 6323232.

The previous prime is 12646463. The next prime is 12646471. The reversal of 12646468 is 86464621.

It can be written as a sum of positive squares in only one way, i.e., 8773444 + 3873024 = 2962^2 + 1968^2 .

It is not an unprimeable number, because it can be changed into a prime (12646463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1580805 + ... + 1580812.

Almost surely, 2^12646468 is an apocalyptic number.

It is an amenable number.

12646468 is a deficient number, since it is larger than the sum of its proper divisors (9484858).

12646468 is a wasteful number, since it uses less digits than its factorization.

12646468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3161621 (or 3161619 counting only the distinct ones).

The product of its digits is 55296, while the sum is 37.

The square root of 12646468 is about 3556.1872841570. The cubic root of 12646468 is about 232.9823830676.

The spelling of 12646468 in words is "twelve million, six hundred forty-six thousand, four hundred sixty-eight".