12920708 has 12 divisors (see below), whose sum is σ = 22921500. Its totient is φ = 6371712.

The previous prime is 12920681. The next prime is 12920717. The reversal of 12920708 is 80702921.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2795584 + 10125124 = 1672^2 + 3182^2 .

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, 21833 + ... + 22416.

It is an arithmetic number, because the mean of its divisors is an integer number (1910125).

Almost surely, 2^12920708 is an apocalyptic number.

It is an amenable number.

12920708 is a deficient number, since it is larger than the sum of its proper divisors (10000792).

12920708 is a wasteful number, since it uses less digits than its factorization.

12920708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44326 (or 44324 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 12920708 is about 3594.5386352076. The cubic root of 12920708 is about 234.6544370277.

The spelling of 12920708 in words is "twelve million, nine hundred twenty thousand, seven hundred eight".