11681793 has 8 divisors (see below), whose sum is σ = 17306400. Its totient is φ = 7787844.

The previous prime is 11681779. The next prime is 11681801. The reversal of 11681793 is 39718611.

11681793 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11681793 - 2⁴ = 11681777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11681773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216303 + ... + 216356.

It is an arithmetic number, because the mean of its divisors is an integer number (2163300).

It is a Proth number, since it is equal to 713 ⋅ 2¹⁴ + 1 and 713 < 2¹⁴.

Almost surely, 2^11681793 is an apocalyptic number.

It is an amenable number.

11681793 is a deficient number, since it is larger than the sum of its proper divisors (5624607).

11681793 is an equidigital number, since it uses as much as digits as its factorization.

11681793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432668 (or 432662 counting only the distinct ones).

The product of its digits is 9072, while the sum is 36.

The square root of 11681793 is about 3417.8638065318. The cubic root of 11681793 is about 226.9010481669.

The spelling of 11681793 in words is "eleven million, six hundred eighty-one thousand, seven hundred ninety-three".