12646704 has 120 divisors (see below), whose sum is σ = 40146240. Its totient is φ = 3411072.

The previous prime is 12646693. The next prime is 12646721. The reversal of 12646704 is 40764621.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44547 + ... + 44829.

It is an arithmetic number, because the mean of its divisors is an integer number (334552).

Almost surely, 2^12646704 is an apocalyptic number.

12646704 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12646704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20073120).

12646704 is an abundant number, since it is smaller than the sum of its proper divisors (27499536).

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

12646704 is a wasteful number, since it uses less digits than its factorization.

12646704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327 (or 314 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 12646704 is about 3556.2204656067. The cubic root of 12646704 is about 232.9838323128.

The spelling of 12646704 in words is "twelve million, six hundred forty-six thousand, seven hundred four".