11643677 has 2 divisors, whose sum is σ = 11643678. Its totient is φ = 11643676.

The previous prime is 11643661. The next prime is 11643701. The reversal of 11643677 is 77634611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7778521 + 3865156 = 2789^2 + 1966^2 .

It is a cyclic number.

It is not a de Polignac number, because 11643677 - 2⁴ = 11643661 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11643607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5821838 + 5821839.

It is an arithmetic number, because the mean of its divisors is an integer number (5821839).

Almost surely, 2^11643677 is an apocalyptic number.

It is an amenable number.

11643677 is a deficient number, since it is larger than the sum of its proper divisors (1).

11643677 is an equidigital number, since it uses as much as digits as its factorization.

11643677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21168, while the sum is 35.

The square root of 11643677 is about 3412.2832531899. The cubic root of 11643677 is about 226.6539975137.

The spelling of 11643677 in words is "eleven million, six hundred forty-three thousand, six hundred seventy-seven".