12942066 has 32 divisors (see below), whose sum is σ = 28297728. Its totient is φ = 3928320.

The previous prime is 12942047. The next prime is 12942067. The reversal of 12942066 is 66024921.

It is not an unprimeable number, because it can be changed into a prime (12942067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1116 + ... + 5208.

It is an arithmetic number, because the mean of its divisors is an integer number (884304).

Almost surely, 2^12942066 is an apocalyptic number.

12942066 is an abundant number, since it is smaller than the sum of its proper divisors (15355662).

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

12942066 is a wasteful number, since it uses less digits than its factorization.

12942066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4146.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 12942066 is about 3597.5083043685. The cubic root of 12942066 is about 234.7836608678.

Adding to 12942066 its reverse (66024921), we get a palindrome (78966987).

It can be divided in two parts, 129 and 42066, that added together give a triangular number (42195 = T₂₉₀).

The spelling of 12942066 in words is "twelve million, nine hundred forty-two thousand, sixty-six".