12947112 has 24 divisors (see below), whose sum is σ = 35065290. Its totient is φ = 4315680.

The previous prime is 12947101. The next prime is 12947131. The reversal of 12947112 is 21174921.

It can be written as a sum of positive squares in only one way, i.e., 12916836 + 30276 = 3594^2 + 174^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 89839 + ... + 89982.

Almost surely, 2^12947112 is an apocalyptic number.

12947112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12947112 is an abundant number, since it is smaller than the sum of its proper divisors (22118178).

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

12947112 is a wasteful number, since it uses less digits than its factorization.

12947112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179833 (or 179826 counting only the distinct ones).

The product of its digits is 1008, while the sum is 27.

The square root of 12947112 is about 3598.2095547647. The cubic root of 12947112 is about 234.8141702784.

The spelling of 12947112 in words is "twelve million, nine hundred forty-seven thousand, one hundred twelve".