12904677 has 20 divisors (see below), whose sum is σ = 19376940. Its totient is φ = 8558784.

The previous prime is 12904673. The next prime is 12904691. The reversal of 12904677 is 77640921.

It is a happy number.

12904677 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 4137156 + 8767521 = 2034^2 + 2961^2 .

It is not a de Polignac number, because 12904677 - 2² = 12904673 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12904673) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 25099 + ... + 25607.

It is an arithmetic number, because the mean of its divisors is an integer number (968847).

Almost surely, 2^12904677 is an apocalyptic number.

It is an amenable number.

12904677 is a deficient number, since it is larger than the sum of its proper divisors (6472263).

12904677 is an equidigital number, since it uses as much as digits as its factorization.

12904677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834 (or 825 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 12904677 is about 3592.3080324493. The cubic root of 12904677 is about 234.5573499302.

The spelling of 12904677 in words is "twelve million, nine hundred four thousand, six hundred seventy-seven".