12812908 has 12 divisors (see below), whose sum is σ = 22558032. Its totient is φ = 6367760.

The previous prime is 12812893. The next prime is 12812963. The reversal of 12812908 is 80921821.

It is a happy number.

It is a super-2 number, since 2×12812908² = 328341222832928, which contains 22 as substring.

It is a zygodrome in base 3.

It is a self number, because there is not a number n which added to its sum of digits gives 12812908.

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, 8923 + ... + 10258.

It is an arithmetic number, because the mean of its divisors is an integer number (1879836).

Almost surely, 2^12812908 is an apocalyptic number.

It is an amenable number.

12812908 is a deficient number, since it is larger than the sum of its proper divisors (9745124).

12812908 is a wasteful number, since it uses less digits than its factorization.

12812908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19352 (or 19350 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 12812908 is about 3579.5122572775. The cubic root of 12812908 is about 234.0000243504. Note that the first 4 decimals are identical.

The spelling of 12812908 in words is "twelve million, eight hundred twelve thousand, nine hundred eight".