12887177 has 2 divisors, whose sum is σ = 12887178. Its totient is φ = 12887176.

The previous prime is 12887167. The next prime is 12887197. The reversal of 12887177 is 77178821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11485321 + 1401856 = 3389^2 + 1184^2 .

It is an emirp because it is prime and its reverse (77178821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12887177 - 2⁶ = 12887113 is a prime.

It is not a weakly prime, because it can be changed into another prime (12887117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6443588 + 6443589.

It is an arithmetic number, because the mean of its divisors is an integer number (6443589).

Almost surely, 2^12887177 is an apocalyptic number.

It is an amenable number.

12887177 is a deficient number, since it is larger than the sum of its proper divisors (1).

12887177 is an equidigital number, since it uses as much as digits as its factorization.

12887177 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43904, while the sum is 41.

The square root of 12887177 is about 3589.8714461663. The cubic root of 12887177 is about 234.4512744222.

The spelling of 12887177 in words is "twelve million, eight hundred eighty-seven thousand, one hundred seventy-seven".