12568977 has 12 divisors (see below), whose sum is σ = 18781620. Its totient is φ = 8090208.

The previous prime is 12568973. The next prime is 12568991. The reversal of 12568977 is 77986521.

12568977 is a `hidden beast` number, since 12 + 568 + 9 + 77 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10246401 + 2322576 = 3201^2 + 1524^2 .

It is not a de Polignac number, because 12568977 - 2² = 12568973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12568973) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23818 + ... + 24339.

It is an arithmetic number, because the mean of its divisors is an integer number (1565135).

Almost surely, 2^12568977 is an apocalyptic number.

It is an amenable number.

12568977 is a deficient number, since it is larger than the sum of its proper divisors (6212643).

12568977 is a wasteful number, since it uses less digits than its factorization.

12568977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48192 (or 48189 counting only the distinct ones).

The product of its digits is 211680, while the sum is 45.

The square root of 12568977 is about 3545.2753066581. The cubic root of 12568977 is about 232.5055427052.

The spelling of 12568977 in words is "twelve million, five hundred sixty-eight thousand, nine hundred seventy-seven".