12505413 has 8 divisors (see below), whose sum is σ = 16794400. Its totient is φ = 8276688.

The previous prime is 12505393. The next prime is 12505417. The reversal of 12505413 is 31450521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12505413 - 2¹² = 12501317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12505413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12505417) 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 7 ways as a sum of consecutive naturals, for example, 14578 + ... + 15411.

It is an arithmetic number, because the mean of its divisors is an integer number (2099300).

Almost surely, 2^12505413 is an apocalyptic number.

It is an amenable number.

12505413 is a deficient number, since it is larger than the sum of its proper divisors (4288987).

12505413 is a wasteful number, since it uses less digits than its factorization.

12505413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30131.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 12505413 is about 3536.2993368775. The cubic root of 12505413 is about 232.1129367400.

Adding to 12505413 its reverse (31450521), we get a palindrome (43955934).

The spelling of 12505413 in words is "twelve million, five hundred five thousand, four hundred thirteen".