11873555 has 8 divisors (see below), whose sum is σ = 14306544. Its totient is φ = 9460000.

The previous prime is 11873507. The next prime is 11873567. The reversal of 11873555 is 55537811.

11873555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11873555 - 2¹⁶ = 11808019 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3476 + ... + 5985.

It is an arithmetic number, because the mean of its divisors is an integer number (1788318).

Almost surely, 2^11873555 is an apocalyptic number.

11873555 is a deficient number, since it is larger than the sum of its proper divisors (2432989).

11873555 is an equidigital number, since it uses as much as digits as its factorization.

11873555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9717.

The product of its digits is 21000, while the sum is 35.

The square root of 11873555 is about 3445.8025190077. The cubic root of 11873555 is about 228.1358775072.

The spelling of 11873555 in words is "eleven million, eight hundred seventy-three thousand, five hundred fifty-five".