12543260 has 12 divisors (see below), whose sum is σ = 26340888. Its totient is φ = 5017296.

The previous prime is 12543241. The next prime is 12543269. The reversal of 12543260 is 6234521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12543269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313562 + ... + 313601.

It is an arithmetic number, because the mean of its divisors is an integer number (2195074).

Almost surely, 2^12543260 is an apocalyptic number.

12543260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12543260 is an abundant number, since it is smaller than the sum of its proper divisors (13797628).

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

12543260 is a wasteful number, since it uses less digits than its factorization.

12543260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627172 (or 627170 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 12543260 is about 3541.6465097466. The cubic root of 12543260 is about 232.3468602673.

Adding to 12543260 its reverse (6234521), we get a palindrome (18777781).

The spelling of 12543260 in words is "twelve million, five hundred forty-three thousand, two hundred sixty".