11873817 has 8 divisors (see below), whose sum is σ = 17590880. Its totient is φ = 7915860.

The previous prime is 11873801. The next prime is 11873821. The reversal of 11873817 is 71837811.

11873817 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11873817 - 2⁴ = 11873801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11873857) 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, 219859 + ... + 219912.

It is an arithmetic number, because the mean of its divisors is an integer number (2198860).

Almost surely, 2^11873817 is an apocalyptic number.

It is an amenable number.

11873817 is a deficient number, since it is larger than the sum of its proper divisors (5717063).

11873817 is an equidigital number, since it uses as much as digits as its factorization.

11873817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439780 (or 439774 counting only the distinct ones).

The product of its digits is 9408, while the sum is 36.

The square root of 11873817 is about 3445.8405360666. The cubic root of 11873817 is about 228.1375554984.

The spelling of 11873817 in words is "eleven million, eight hundred seventy-three thousand, eight hundred seventeen".