12048855 has 72 divisors (see below), whose sum is σ = 24533712. Its totient is φ = 5031936.

The previous prime is 12048823. The next prime is 12048859. The reversal of 12048855 is 55884021.

It is not a de Polignac number, because 12048855 - 2⁵ = 12048823 is a prime.

It is a super-2 number, since 2×12048855² = 290349813622050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12048859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 124167 + ... + 124263.

It is an arithmetic number, because the mean of its divisors is an integer number (340746).

Almost surely, 2^12048855 is an apocalyptic number.

12048855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12048855 is an abundant number, since it is smaller than the sum of its proper divisors (12484857).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12048855 is a wasteful number, since it uses less digits than its factorization.

12048855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 33.

The square root of 12048855 is about 3471.1460643424. The cubic root of 12048855 is about 229.2531223474.

The spelling of 12048855 in words is "twelve million, forty-eight thousand, eight hundred fifty-five".