12970812 has 12 divisors (see below), whose sum is σ = 30265256. Its totient is φ = 4323600.

The previous prime is 12970807. The next prime is 12970819. The reversal of 12970812 is 21807921.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 12970812.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12970819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 540439 + ... + 540462.

Almost surely, 2^12970812 is an apocalyptic number.

12970812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12970812 is an abundant number, since it is smaller than the sum of its proper divisors (17294444).

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

12970812 is a wasteful number, since it uses less digits than its factorization.

12970812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080908 (or 1080906 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 12970812 is about 3601.5013536024. The cubic root of 12970812 is about 234.9573606054.

The spelling of 12970812 in words is "twelve million, nine hundred seventy thousand, eight hundred twelve".