12659977 has 8 divisors (see below), whose sum is σ = 13838400. Its totient is φ = 11486160.

The previous prime is 12659963. The next prime is 12660013. The reversal of 12659977 is 77995621.

It is a happy number.

12659977 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12659977 - 2¹⁹ = 12135689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12659677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7399 + ... + 8947.

It is an arithmetic number, because the mean of its divisors is an integer number (1729800).

Almost surely, 2^12659977 is an apocalyptic number.

It is an amenable number.

12659977 is a deficient number, since it is larger than the sum of its proper divisors (1178423).

12659977 is a wasteful number, since it uses less digits than its factorization.

12659977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2303.

The product of its digits is 238140, while the sum is 46.

The square root of 12659977 is about 3558.0861428583. The cubic root of 12659977 is about 233.0653110705.

The spelling of 12659977 in words is "twelve million, six hundred fifty-nine thousand, nine hundred seventy-seven".