12346646 has 16 divisors (see below), whose sum is σ = 20003424. Its totient is φ = 5681664.

The previous prime is 12346643. The next prime is 12346651. The reversal of 12346646 is 64664321.

12346646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12346643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14591 + ... + 15413.

It is an arithmetic number, because the mean of its divisors is an integer number (1250214).

Almost surely, 2^12346646 is an apocalyptic number.

12346646 is a deficient number, since it is larger than the sum of its proper divisors (7656778).

12346646 is a wasteful number, since it uses less digits than its factorization.

12346646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1415.

The product of its digits is 20736, while the sum is 32.

The square root of 12346646 is about 3513.7794466927. The cubic root of 12346646 is about 231.1264588721.

The spelling of 12346646 in words is "twelve million, three hundred forty-six thousand, six hundred forty-six".