12958525 has 6 divisors (see below), whose sum is σ = 16068602. Its totient is φ = 10366800.

The previous prime is 12958507. The next prime is 12958529. The reversal of 12958525 is 52585921.

It can be written as a sum of positive squares in 3 ways, for example, as 2343961 + 10614564 = 1531^2 + 3258^2 .

It is not a de Polignac number, because 12958525 - 2⁵ = 12958493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12958529) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 259146 + ... + 259195.

Almost surely, 2^12958525 is an apocalyptic number.

It is an amenable number.

12958525 is a deficient number, since it is larger than the sum of its proper divisors (3110077).

12958525 is an equidigital number, since it uses as much as digits as its factorization.

12958525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518351 (or 518346 counting only the distinct ones).

The product of its digits is 36000, while the sum is 37.

The square root of 12958525 is about 3599.7951330597. The cubic root of 12958525 is about 234.8831469750.

The spelling of 12958525 in words is "twelve million, nine hundred fifty-eight thousand, five hundred twenty-five".