12660633 has 24 divisors (see below), whose sum is σ = 18851040. Its totient is φ = 8184960.

The previous prime is 12660629. The next prime is 12660643. The reversal of 12660633 is 33606621.

12660633 is a `hidden beast` number, since 1 + 26 + 6 + 0 + 633 = 666.

12660633 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12660633 - 2² = 12660629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12660597 and 12660606.

It is not an unprimeable number, because it can be changed into a prime (12660643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59898 + ... + 60108.

It is an arithmetic number, because the mean of its divisors is an integer number (785460).

Almost surely, 2^12660633 is an apocalyptic number.

It is an amenable number.

12660633 is a deficient number, since it is larger than the sum of its proper divisors (6190407).

12660633 is a wasteful number, since it uses less digits than its factorization.

12660633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389 (or 386 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 12660633 is about 3558.1783260539. The cubic root of 12660633 is about 233.0693365702.

The spelling of 12660633 in words is "twelve million, six hundred sixty thousand, six hundred thirty-three".