12606642 has 24 divisors (see below), whose sum is σ = 27428544. Its totient is φ = 4184664.

The previous prime is 12606641. The next prime is 12606661. The reversal of 12606642 is 24660621.

It is a happy number.

12606642 is a `hidden beast` number, since 12 + 6 + 0 + 6 + 642 = 666.

12606642 is a modest number, since divided by 6642 gives 126 as remainder.

It is not an unprimeable number, because it can be changed into a prime (12606641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3403 + ... + 6065.

It is an arithmetic number, because the mean of its divisors is an integer number (1142856).

Almost surely, 2^12606642 is an apocalyptic number.

12606642 is an abundant number, since it is smaller than the sum of its proper divisors (14821902).

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

12606642 is a wasteful number, since it uses less digits than its factorization.

12606642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2934 (or 2931 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 12606642 is about 3550.5833323554. The cubic root of 12606642 is about 232.7375580929.

The spelling of 12606642 in words is "twelve million, six hundred six thousand, six hundred forty-two".