12908377 has 4 divisors (see below), whose sum is σ = 12979876. Its totient is φ = 12836880.

The previous prime is 12908333. The next prime is 12908381. The reversal of 12908377 is 77380921.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1218816 + 11689561 = 1104^2 + 3419^2 .

It is a cyclic number.

It is not a de Polignac number, because 12908377 - 2¹¹ = 12906329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12908387) 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, 35478 + ... + 35839.

It is an arithmetic number, because the mean of its divisors is an integer number (3244969).

Almost surely, 2^12908377 is an apocalyptic number.

It is an amenable number.

12908377 is a deficient number, since it is larger than the sum of its proper divisors (71499).

12908377 is an equidigital number, since it uses as much as digits as its factorization.

12908377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71498.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 12908377 is about 3592.8229847851. The cubic root of 12908377 is about 234.5797650402.

The spelling of 12908377 in words is "twelve million, nine hundred eight thousand, three hundred seventy-seven".