11780617 has 2 divisors, whose sum is σ = 11780618. Its totient is φ = 11780616.

The previous prime is 11780599. The next prime is 11780687. The reversal of 11780617 is 71608711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8231161 + 3549456 = 2869^2 + 1884^2 .

It is an emirp because it is prime and its reverse (71608711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11780617 - 2¹⁵ = 11747849 is a prime.

It is not a weakly prime, because it can be changed into another prime (11780687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5890308 + 5890309.

It is an arithmetic number, because the mean of its divisors is an integer number (5890309).

Almost surely, 2^11780617 is an apocalyptic number.

It is an amenable number.

11780617 is a deficient number, since it is larger than the sum of its proper divisors (1).

11780617 is an equidigital number, since it uses as much as digits as its factorization.

11780617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 31.

The square root of 11780617 is about 3432.2903431965. The cubic root of 11780617 is about 227.5390875961.

The spelling of 11780617 in words is "eleven million, seven hundred eighty thousand, six hundred seventeen".