11212855 has 8 divisors (see below), whose sum is σ = 13889664. Its totient is φ = 8680800.

The previous prime is 11212849. The next prime is 11212867. The reversal of 11212855 is 55821211.

11212855 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 11212855 - 2⁵ = 11212823 is a prime.

It is a Duffinian number.

It is a congruent 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, 36016 + ... + 36325.

It is an arithmetic number, because the mean of its divisors is an integer number (1736208).

Almost surely, 2^11212855 is an apocalyptic number.

11212855 is a deficient number, since it is larger than the sum of its proper divisors (2676809).

11212855 is an equidigital number, since it uses as much as digits as its factorization.

11212855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72377.

The product of its digits is 800, while the sum is 25.

The square root of 11212855 is about 3348.5601383281. The cubic root of 11212855 is about 223.8233553683.

The spelling of 11212855 in words is "eleven million, two hundred twelve thousand, eight hundred fifty-five".