11873273 has 4 divisors (see below), whose sum is σ = 11886180. Its totient is φ = 11860368.

The previous prime is 11873269. The next prime is 11873287. The reversal of 11873273 is 37237811.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7327849 + 4545424 = 2707^2 + 2132^2 .

It is a cyclic number.

It is not a de Polignac number, because 11873273 - 2² = 11873269 is a prime.

It is a super-2 number, since 2×11873273² = 281949223465058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11803273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4958 + ... + 6951.

It is an arithmetic number, because the mean of its divisors is an integer number (2971545).

Almost surely, 2^11873273 is an apocalyptic number.

It is an amenable number.

11873273 is a deficient number, since it is larger than the sum of its proper divisors (12907).

11873273 is an equidigital number, since it uses as much as digits as its factorization.

11873273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12906.

The product of its digits is 7056, while the sum is 32.

The square root of 11873273 is about 3445.7615994146. The cubic root of 11873273 is about 228.1340713976.

The spelling of 11873273 in words is "eleven million, eight hundred seventy-three thousand, two hundred seventy-three".