12942188 has 12 divisors (see below), whose sum is σ = 25884432. Its totient is φ = 5546640.

The previous prime is 12942179. The next prime is 12942197. The reversal of 12942188 is 88124921.

It is an interprime number because it is at equal distance from previous prime (12942179) and next prime (12942197).

12942188 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231083 + ... + 231138.

It is an arithmetic number, because the mean of its divisors is an integer number (2157036).

Almost surely, 2^12942188 is an apocalyptic number.

It is an amenable number.

12942188 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12942188 is a wasteful number, since it uses less digits than its factorization.

12942188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462232 (or 462230 counting only the distinct ones).

The product of its digits is 9216, while the sum is 35.

The square root of 12942188 is about 3597.5252605090. The cubic root of 12942188 is about 234.7843986047.

The spelling of 12942188 in words is "twelve million, nine hundred forty-two thousand, one hundred eighty-eight".