11900617 has 2 divisors, whose sum is σ = 11900618. Its totient is φ = 11900616.

The previous prime is 11900599. The next prime is 11900641. The reversal of 11900617 is 71600911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8904256 + 2996361 = 2984^2 + 1731^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11900617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11900591 and 11900600.

It is not a weakly prime, because it can be changed into another prime (11900657) 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, 5950308 + 5950309.

It is an arithmetic number, because the mean of its divisors is an integer number (5950309).

Almost surely, 2^11900617 is an apocalyptic number.

It is an amenable number.

11900617 is a deficient number, since it is larger than the sum of its proper divisors (1).

11900617 is an equidigital number, since it uses as much as digits as its factorization.

11900617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 25.

The square root of 11900617 is about 3449.7270906551. The cubic root of 11900617 is about 228.3090671046.

The spelling of 11900617 in words is "eleven million, nine hundred thousand, six hundred seventeen".