12524161 has 4 divisors (see below), whose sum is σ = 13487572. Its totient is φ = 11560752.

The previous prime is 12524153. The next prime is 12524177. The reversal of 12524161 is 16142521.

12524161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 690561 + 11833600 = 831^2 + 3440^2 .

It is a cyclic number.

It is not a de Polignac number, because 12524161 - 2³ = 12524153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12524111) 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, 481686 + ... + 481711.

It is an arithmetic number, because the mean of its divisors is an integer number (3371893).

Almost surely, 2^12524161 is an apocalyptic number.

It is an amenable number.

12524161 is a deficient number, since it is larger than the sum of its proper divisors (963411).

12524161 is an equidigital number, since it uses as much as digits as its factorization.

12524161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963410.

The product of its digits is 480, while the sum is 22.

The square root of 12524161 is about 3538.9491378091. The cubic root of 12524161 is about 232.2288726816.

Adding to 12524161 its reverse (16142521), we get a palindrome (28666682).

The spelling of 12524161 in words is "twelve million, five hundred twenty-four thousand, one hundred sixty-one".