12513268 has 12 divisors (see below), whose sum is σ = 22653540. Its totient is φ = 6040832.

The previous prime is 12513227. The next prime is 12513269. The reversal of 12513268 is 86231521.

It can be written as a sum of positive squares in 2 ways, for example, as 10316944 + 2196324 = 3212^2 + 1482^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12513269) 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, 53821 + ... + 54052.

It is an arithmetic number, because the mean of its divisors is an integer number (1887795).

Almost surely, 2^12513268 is an apocalyptic number.

It is an amenable number.

12513268 is a deficient number, since it is larger than the sum of its proper divisors (10140272).

12513268 is a wasteful number, since it uses less digits than its factorization.

12513268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107906 (or 107904 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 12513268 is about 3537.4097868356. The cubic root of 12513268 is about 232.1615254460.

Adding to 12513268 its reverse (86231521), we get a palindrome (98744789).

The spelling of 12513268 in words is "twelve million, five hundred thirteen thousand, two hundred sixty-eight".