11689277 has 2 divisors, whose sum is σ = 11689278. Its totient is φ = 11689276.

The previous prime is 11689273. The next prime is 11689303. The reversal of 11689277 is 77298611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9647236 + 2042041 = 3106^2 + 1429^2 .

It is a cyclic number.

It is not a de Polignac number, because 11689277 - 2² = 11689273 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 (11689273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5844638 + 5844639.

It is an arithmetic number, because the mean of its divisors is an integer number (5844639).

Almost surely, 2^11689277 is an apocalyptic number.

It is an amenable number.

11689277 is a deficient number, since it is larger than the sum of its proper divisors (1).

11689277 is an equidigital number, since it uses as much as digits as its factorization.

11689277 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 41.

The square root of 11689277 is about 3418.9584671359. The cubic root of 11689277 is about 226.9494929258.

The spelling of 11689277 in words is "eleven million, six hundred eighty-nine thousand, two hundred seventy-seven".