11870393 has 2 divisors, whose sum is σ = 11870394. Its totient is φ = 11870392.

The previous prime is 11870381. The next prime is 11870431. The reversal of 11870393 is 39307811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8133904 + 3736489 = 2852^2 + 1933^2 .

It is an emirp because it is prime and its reverse (39307811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11870393 - 2⁶ = 11870329 is a prime.

It is not a weakly prime, because it can be changed into another prime (11870333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5935196 + 5935197.

It is an arithmetic number, because the mean of its divisors is an integer number (5935197).

Almost surely, 2^11870393 is an apocalyptic number.

It is an amenable number.

11870393 is a deficient number, since it is larger than the sum of its proper divisors (1).

11870393 is an equidigital number, since it uses as much as digits as its factorization.

11870393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 11870393 is about 3445.3436693601. The cubic root of 11870393 is about 228.1156243848.

The spelling of 11870393 in words is "eleven million, eight hundred seventy thousand, three hundred ninety-three".