11617973 has 2 divisors, whose sum is σ = 11617974. Its totient is φ = 11617972.

The previous prime is 11617961. The next prime is 11618003. The reversal of 11617973 is 37971611.

11617973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10804369 + 813604 = 3287^2 + 902^2 .

It is a cyclic number.

It is not a de Polignac number, because 11617973 - 2⁸ = 11617717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11617913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5808986 + 5808987.

It is an arithmetic number, because the mean of its divisors is an integer number (5808987).

Almost surely, 2^11617973 is an apocalyptic number.

It is an amenable number.

11617973 is a deficient number, since it is larger than the sum of its proper divisors (1).

11617973 is an equidigital number, since it uses as much as digits as its factorization.

11617973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7938, while the sum is 35.

The square root of 11617973 is about 3408.5147791964. The cubic root of 11617973 is about 226.4870912859.

The spelling of 11617973 in words is "eleven million, six hundred seventeen thousand, nine hundred seventy-three".