12617677 has 2 divisors, whose sum is σ = 12617678. Its totient is φ = 12617676.

The previous prime is 12617669. The next prime is 12617687. The reversal of 12617677 is 77671621.

12617677 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9696996 + 2920681 = 3114^2 + 1709^2 .

It is a cyclic number.

It is not a de Polignac number, because 12617677 - 2³ = 12617669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12617687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6308838 + 6308839.

It is an arithmetic number, because the mean of its divisors is an integer number (6308839).

Almost surely, 2^12617677 is an apocalyptic number.

It is an amenable number.

12617677 is a deficient number, since it is larger than the sum of its proper divisors (1).

12617677 is an equidigital number, since it uses as much as digits as its factorization.

12617677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24696, while the sum is 37.

The square root of 12617677 is about 3552.1369624495. The cubic root of 12617677 is about 232.8054458503.

It can be divided in two parts, 126176 and 77, that added together give a triangular number (126253 = T₅₀₂).

The spelling of 12617677 in words is "twelve million, six hundred seventeen thousand, six hundred seventy-seven".