12646434 has 8 divisors (see below), whose sum is σ = 25292880. Its totient is φ = 4215476.

The previous prime is 12646427. The next prime is 12646463. The reversal of 12646434 is 43464621.

It is a sphenic number, since it is the product of 3 distinct primes.

12646434 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1053864 + ... + 1053875.

It is an arithmetic number, because the mean of its divisors is an integer number (3161610).

Almost surely, 2^12646434 is an apocalyptic number.

12646434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12646434 is a wasteful number, since it uses less digits than its factorization.

12646434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2107744.

The product of its digits is 13824, while the sum is 30.

The square root of 12646434 is about 3556.1825037531. The cubic root of 12646434 is about 232.9821742765.

The spelling of 12646434 in words is "twelve million, six hundred forty-six thousand, four hundred thirty-four".