12965677 has 4 divisors (see below), whose sum is σ = 12981276. Its totient is φ = 12950080.

The previous prime is 12965671. The next prime is 12965707. The reversal of 12965677 is 77656921.

12965677 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 2910436 + 10055241 = 1706^2 + 3171^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12965677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12965671) 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, 6478 + ... + 8239.

It is an arithmetic number, because the mean of its divisors is an integer number (3245319).

Almost surely, 2^12965677 is an apocalyptic number.

It is an amenable number.

12965677 is a deficient number, since it is larger than the sum of its proper divisors (15599).

12965677 is an equidigital number, since it uses as much as digits as its factorization.

12965677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15598.

The product of its digits is 158760, while the sum is 43.

The square root of 12965677 is about 3600.7883858955. The cubic root of 12965677 is about 234.9263508456.

The spelling of 12965677 in words is "twelve million, nine hundred sixty-five thousand, six hundred seventy-seven".