12201677 has 2 divisors, whose sum is σ = 12201678. Its totient is φ = 12201676.

The previous prime is 12201671. The next prime is 12201703. The reversal of 12201677 is 77610221.

It is an a-pointer prime, because the next prime (12201703) can be obtained adding 12201677 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11703241 + 498436 = 3421^2 + 706^2 .

It is a cyclic number.

It is not a de Polignac number, because 12201677 - 2¹⁴ = 12185293 is a prime.

It is a super-2 number, since 2×12201677² = 297761843224658, which contains 22 as substring.

It is equal to p₈₀₀₃₈₇ and since 12201677 and 800387 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12201671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100838 + 6100839.

It is an arithmetic number, because the mean of its divisors is an integer number (6100839).

Almost surely, 2^12201677 is an apocalyptic number.

It is an amenable number.

12201677 is a deficient number, since it is larger than the sum of its proper divisors (1).

12201677 is an equidigital number, since it uses as much as digits as its factorization.

12201677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 12201677 is about 3493.0898929172. The cubic root of 12201677 is about 230.2182993568.

Adding to 12201677 its reverse (77610221), we get a palindrome (89811898).

The spelling of 12201677 in words is "twelve million, two hundred one thousand, six hundred seventy-seven".