12545055 has 24 divisors (see below), whose sum is σ = 21902400. Its totient is φ = 6642240.

The previous prime is 12545041. The next prime is 12545059. The reversal of 12545055 is 55054521.

12545055 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 12545055 - 2⁷ = 12544927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12545059) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5770 + ... + 7640.

It is an arithmetic number, because the mean of its divisors is an integer number (912600).

Almost surely, 2^12545055 is an apocalyptic number.

12545055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12545055 is a deficient number, since it is larger than the sum of its proper divisors (9357345).

12545055 is a wasteful number, since it uses less digits than its factorization.

12545055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2031 (or 2028 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 12545055 is about 3541.8999138880. The cubic root of 12545055 is about 232.3579430513.

Adding to 12545055 its reverse (55054521), we get a palindrome (67599576).

The spelling of 12545055 in words is "twelve million, five hundred forty-five thousand, fifty-five".