12581268 has 48 divisors (see below), whose sum is σ = 35320320. Its totient is φ = 3405024.

The previous prime is 12581263. The next prime is 12581269. The reversal of 12581268 is 86218521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12581263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2346 + ... + 5537.

It is an arithmetic number, because the mean of its divisors is an integer number (735840).

Almost surely, 2^12581268 is an apocalyptic number.

It is an amenable number.

12581268 is an abundant number, since it is smaller than the sum of its proper divisors (22739052).

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

12581268 is a wasteful number, since it uses less digits than its factorization.

12581268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7916 (or 7914 counting only the distinct ones).

The product of its digits is 7680, while the sum is 33.

The square root of 12581268 is about 3547.0083168778. The cubic root of 12581268 is about 232.5813058221.

Adding to 12581268 its reverse (86218521), we get a palindrome (98799789).

The spelling of 12581268 in words is "twelve million, five hundred eighty-one thousand, two hundred sixty-eight".