11785313 has 2 divisors, whose sum is σ = 11785314. Its totient is φ = 11785312.

The previous prime is 11785307. The next prime is 11785321. The reversal of 11785313 is 31358711.

11785313 is digitally balanced in base 2 and base 3, because in such bases 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., 7656289 + 4129024 = 2767^2 + 2032^2 .

It is a cyclic number.

It is not a de Polignac number, because 11785313 - 2⁸ = 11785057 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11785303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5892656 + 5892657.

It is an arithmetic number, because the mean of its divisors is an integer number (5892657).

Almost surely, 2^11785313 is an apocalyptic number.

It is an amenable number.

11785313 is a deficient number, since it is larger than the sum of its proper divisors (1).

11785313 is an equidigital number, since it uses as much as digits as its factorization.

11785313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2520, while the sum is 29.

The square root of 11785313 is about 3432.9743663476. The cubic root of 11785313 is about 227.5693175240.

The spelling of 11785313 in words is "eleven million, seven hundred eighty-five thousand, three hundred thirteen".