12521348 has 24 divisors (see below), whose sum is σ = 25456704. Its totient is φ = 5277600.

The previous prime is 12521339. The next prime is 12521351. The reversal of 12521348 is 84312521.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1958 + ... + 5373.

It is an arithmetic number, because the mean of its divisors is an integer number (1060696).

Almost surely, 2^12521348 is an apocalyptic number.

It is an amenable number.

12521348 is an abundant number, since it is smaller than the sum of its proper divisors (12935356).

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

12521348 is a wasteful number, since it uses less digits than its factorization.

12521348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7403 (or 7401 counting only the distinct ones).

The product of its digits is 1920, while the sum is 26.

The square root of 12521348 is about 3538.5516811261. The cubic root of 12521348 is about 232.2114847242.

Adding to 12521348 its reverse (84312521), we get a palindrome (96833869).

The spelling of 12521348 in words is "twelve million, five hundred twenty-one thousand, three hundred forty-eight".