12535441 has 4 divisors (see below), whose sum is σ = 12566500. Its totient is φ = 12504384.

The previous prime is 12535433. The next prime is 12535447. The reversal of 12535441 is 14453521.

It is a happy number.

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 5267025 + 7268416 = 2295^2 + 2696^2 .

It is a cyclic number.

It is not a de Polignac number, because 12535441 - 2³ = 12535433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12535447) 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 3 ways as a sum of consecutive naturals, for example, 14916 + ... + 15733.

It is an arithmetic number, because the mean of its divisors is an integer number (3141625).

Almost surely, 2^12535441 is an apocalyptic number.

It is an amenable number.

12535441 is a deficient number, since it is larger than the sum of its proper divisors (31059).

12535441 is an equidigital number, since it uses as much as digits as its factorization.

12535441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31058.

The product of its digits is 2400, while the sum is 25.

The square root of 12535441 is about 3540.5424725598. The cubic root of 12535441 is about 232.2985714460.

Adding to 12535441 its reverse (14453521), we get a palindrome (26988962).

The spelling of 12535441 in words is "twelve million, five hundred thirty-five thousand, four hundred forty-one".