12135055 has 8 divisors (see below), whose sum is σ = 14650272. Its totient is φ = 9649248.

The previous prime is 12135041. The next prime is 12135103. The reversal of 12135055 is 55053121.

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 12135055 - 2⁵ = 12135023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6432 + ... + 8101.

It is an arithmetic number, because the mean of its divisors is an integer number (1831284).

Almost surely, 2^12135055 is an apocalyptic number.

12135055 is a deficient number, since it is larger than the sum of its proper divisors (2515217).

12135055 is a wasteful number, since it uses less digits than its factorization.

12135055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14705.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 12135055 is about 3483.5405839462. The cubic root of 12135055 is about 229.7985318303.

Adding to 12135055 its reverse (55053121), we get a palindrome (67188176).

The spelling of 12135055 in words is "twelve million, one hundred thirty-five thousand, fifty-five".