11660729 has 2 divisors, whose sum is σ = 11660730. Its totient is φ = 11660728.

The previous prime is 11660723. The next prime is 11660731. The reversal of 11660729 is 92706611.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7166329 + 4494400 = 2677^2 + 2120^2 .

It is a cyclic number.

It is not a de Polignac number, because 11660729 - 2⁴ = 11660713 is a prime.

It is a super-2 number, since 2×11660729² = 271945201622882, which contains 22 as substring.

Together with 11660731, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 11660695 and 11660704.

It is not a weakly prime, because it can be changed into another prime (11660723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5830364 + 5830365.

It is an arithmetic number, because the mean of its divisors is an integer number (5830365).

Almost surely, 2^11660729 is an apocalyptic number.

It is an amenable number.

11660729 is a deficient number, since it is larger than the sum of its proper divisors (1).

11660729 is an equidigital number, since it uses as much as digits as its factorization.

11660729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 11660729 is about 3414.7809593003. The cubic root of 11660729 is about 226.7645874016.

The spelling of 11660729 in words is "eleven million, six hundred sixty thousand, seven hundred twenty-nine".