12106855 has 8 divisors (see below), whose sum is σ = 15160032. Its totient is φ = 9264288.

The previous prime is 12106837. The next prime is 12106867. The reversal of 12106855 is 55860121.

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

It is a cyclic number.

It is not a de Polignac number, because 12106855 - 2⁵ = 12106823 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, 52524 + ... + 52753.

It is an arithmetic number, because the mean of its divisors is an integer number (1895004).

Almost surely, 2^12106855 is an apocalyptic number.

12106855 is a deficient number, since it is larger than the sum of its proper divisors (3053177).

12106855 is a wasteful number, since it uses less digits than its factorization.

12106855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105305.

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 12106855 is about 3479.4906236402. The cubic root of 12106855 is about 229.6203882938.

Adding to 12106855 its reverse (55860121), we get a palindrome (67966976).

The spelling of 12106855 in words is "twelve million, one hundred six thousand, eight hundred fifty-five".