12512268 has 18 divisors (see below), whose sum is σ = 31628324. Its totient is φ = 4170744.

The previous prime is 12512267. The next prime is 12512281. The reversal of 12512268 is 86221521.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (12512263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 173746 + ... + 173817.

Almost surely, 2^12512268 is an apocalyptic number.

12512268 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12512268 is an abundant number, since it is smaller than the sum of its proper divisors (19116056).

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

12512268 is a wasteful number, since it uses less digits than its factorization.

12512268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347573 (or 347568 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 12512268 is about 3537.2684376507. The cubic root of 12512268 is about 232.1553408716.

Adding to 12512268 its reverse (86221521), we get a palindrome (98733789).

The spelling of 12512268 in words is "twelve million, five hundred twelve thousand, two hundred sixty-eight".