13124525 has 6 divisors (see below), whose sum is σ = 16274442. Its totient is φ = 10499600.

The previous prime is 13124521. The next prime is 13124533. The reversal of 13124525 is 52542131.

13124525 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 70756 + 13053769 = 266^2 + 3613^2 .

It is not a de Polignac number, because 13124525 - 2² = 13124521 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13124525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13124521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 262466 + ... + 262515.

It is an arithmetic number, because the mean of its divisors is an integer number (2712407).

Almost surely, 2^13124525 is an apocalyptic number.

It is an amenable number.

13124525 is a deficient number, since it is larger than the sum of its proper divisors (3149917).

13124525 is an equidigital number, since it uses as much as digits as its factorization.

13124525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524991 (or 524986 counting only the distinct ones).

The product of its digits is 1200, while the sum is 23.

The square root of 13124525 is about 3622.7786297261. The cubic root of 13124525 is about 235.8818533883.

Adding to 13124525 its reverse (52542131), we get a palindrome (65666656).

The spelling of 13124525 in words is "thirteen million, one hundred twenty-four thousand, five hundred twenty-five".