12646938 has 16 divisors (see below), whose sum is σ = 25366176. Its totient is φ = 4203600.

The previous prime is 12646937. The next prime is 12646939. The reversal of 12646938 is 83964621.

It is an interprime number because it is at equal distance from previous prime (12646937) and next prime (12646939).

It is a junction number, because it is equal to n+sod(n) for n = 12646896 and 12646905.

It is not an unprimeable number, because it can be changed into a prime (12646937) 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 7 ways as a sum of consecutive naturals, for example, 588 + ... + 5063.

It is an arithmetic number, because the mean of its divisors is an integer number (1585386).

Almost surely, 2^12646938 is an apocalyptic number.

12646938 is an abundant number, since it is smaller than the sum of its proper divisors (12719238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12646938 is a wasteful number, since it uses less digits than its factorization.

12646938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6029.

The product of its digits is 62208, while the sum is 39.

The square root of 12646938 is about 3556.2533655520. The cubic root of 12646938 is about 232.9852692585.

The spelling of 12646938 in words is "twelve million, six hundred forty-six thousand, nine hundred thirty-eight".