12646136 has 16 divisors (see below), whose sum is σ = 24742800. Its totient is φ = 6048064.

The previous prime is 12646121. The next prime is 12646141. The reversal of 12646136 is 63164621.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12646099 and 12646108.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 34181 + ... + 34548.

It is an arithmetic number, because the mean of its divisors is an integer number (1546425).

Almost surely, 2^12646136 is an apocalyptic number.

It is an amenable number.

12646136 is a deficient number, since it is larger than the sum of its proper divisors (12096664).

12646136 is a wasteful number, since it uses less digits than its factorization.

12646136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68758 (or 68754 counting only the distinct ones).

The product of its digits is 5184, while the sum is 29.

The square root of 12646136 is about 3556.1406046443. The cubic root of 12646136 is about 232.9803442683.

The spelling of 12646136 in words is "twelve million, six hundred forty-six thousand, one hundred thirty-six".