12541155 has 48 divisors (see below), whose sum is σ = 23341824. Its totient is φ = 5701120.

The previous prime is 12541147. The next prime is 12541157. The reversal of 12541155 is 55114521.

12541155 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12541155 - 2³ = 12541147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12541157) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47554 + ... + 47816.

It is an arithmetic number, because the mean of its divisors is an integer number (486288).

Almost surely, 2^12541155 is an apocalyptic number.

12541155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12541155 is a deficient number, since it is larger than the sum of its proper divisors (10800669).

12541155 is a wasteful number, since it uses less digits than its factorization.

12541155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316 (or 299 counting only the distinct ones).

The product of its digits is 1000, while the sum is 24.

The square root of 12541155 is about 3541.3493191155. The cubic root of 12541155 is about 232.3338621179. Note that the first 3 decimals are identical.

Adding to 12541155 its reverse (55114521), we get a palindrome (67655676).

The spelling of 12541155 in words is "twelve million, five hundred forty-one thousand, one hundred fifty-five".