11913773 has 2 divisors, whose sum is σ = 11913774. Its totient is φ = 11913772.

The previous prime is 11913767. The next prime is 11913791. The reversal of 11913773 is 37731911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8219689 + 3694084 = 2867^2 + 1922^2 .

It is a cyclic number.

It is not a de Polignac number, because 11913773 - 2⁴ = 11913757 is a prime.

It is equal to p₇₈₂₇₅₃ and since 11913773 and 782753 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11913173) 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, 5956886 + 5956887.

It is an arithmetic number, because the mean of its divisors is an integer number (5956887).

Almost surely, 2^11913773 is an apocalyptic number.

It is an amenable number.

11913773 is a deficient number, since it is larger than the sum of its proper divisors (1).

11913773 is an equidigital number, since it uses as much as digits as its factorization.

11913773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3969, while the sum is 32.

The square root of 11913773 is about 3451.6333814587. The cubic root of 11913773 is about 228.3931671682.

The spelling of 11913773 in words is "eleven million, nine hundred thirteen thousand, seven hundred seventy-three".