12077617 has 2 divisors, whose sum is σ = 12077618. Its totient is φ = 12077616.

The previous prime is 12077609. The next prime is 12077671. The reversal of 12077617 is 71677021.

Together with next prime (12077671) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11029041 + 1048576 = 3321^2 + 1024^2 .

It is a cyclic number.

It is not a de Polignac number, because 12077617 - 2³ = 12077609 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12077017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6038808 + 6038809.

It is an arithmetic number, because the mean of its divisors is an integer number (6038809).

Almost surely, 2^12077617 is an apocalyptic number.

It is an amenable number.

12077617 is a deficient number, since it is larger than the sum of its proper divisors (1).

12077617 is an equidigital number, since it uses as much as digits as its factorization.

12077617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4116, while the sum is 31.

The square root of 12077617 is about 3475.2866068858. The cubic root of 12077617 is about 229.4353952286.

The spelling of 12077617 in words is "twelve million, seventy-seven thousand, six hundred seventeen".