12563677 has 4 divisors (see below), whose sum is σ = 14358496. Its totient is φ = 10768860.

The previous prime is 12563669. The next prime is 12563687. The reversal of 12563677 is 77636521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 77636521 = 239 ⋅324839.

It is a cyclic number.

It is not a de Polignac number, because 12563677 - 2³ = 12563669 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 (12563687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 897399 + ... + 897412.

It is an arithmetic number, because the mean of its divisors is an integer number (3589624).

Almost surely, 2^12563677 is an apocalyptic number.

It is an amenable number.

12563677 is a deficient number, since it is larger than the sum of its proper divisors (1794819).

12563677 is an equidigital number, since it uses as much as digits as its factorization.

12563677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1794818.

The product of its digits is 52920, while the sum is 37.

The square root of 12563677 is about 3544.5277541585. The cubic root of 12563677 is about 232.4728576632.

The spelling of 12563677 in words is "twelve million, five hundred sixty-three thousand, six hundred seventy-seven".