12541518 has 48 divisors (see below), whose sum is σ = 29995056. Its totient is φ = 3755520.

The previous prime is 12541513. The next prime is 12541519. The reversal of 12541518 is 81514521.

It is a junction number, because it is equal to n+sod(n) for n = 12541491 and 12541500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12541513) 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, 18880 + ... + 19532.

It is an arithmetic number, because the mean of its divisors is an integer number (624897).

Almost surely, 2^12541518 is an apocalyptic number.

12541518 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12541518, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14997528).

12541518 is an abundant number, since it is smaller than the sum of its proper divisors (17453538).

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

12541518 is a wasteful number, since it uses less digits than its factorization.

12541518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769 (or 766 counting only the distinct ones).

The product of its digits is 1600, while the sum is 27.

The square root of 12541518 is about 3541.4005703958. The cubic root of 12541518 is about 232.3361037078.

It can be divided in two parts, 1254 and 1518, that added together give a palindrome (2772).

The spelling of 12541518 in words is "twelve million, five hundred forty-one thousand, five hundred eighteen".