12541357 has 4 divisors (see below), whose sum is σ = 12563100. Its totient is φ = 12519616.

The previous prime is 12541351. The next prime is 12541381. The reversal of 12541357 is 75314521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75314521 = 263 ⋅286367.

It can be written as a sum of positive squares in 2 ways, for example, as 4137156 + 8404201 = 2034^2 + 2899^2 .

It is a cyclic number.

It is not a de Polignac number, because 12541357 - 2⁷ = 12541229 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 (12541351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9982 + ... + 11167.

It is an arithmetic number, because the mean of its divisors is an integer number (3140775).

Almost surely, 2^12541357 is an apocalyptic number.

It is an amenable number.

12541357 is a deficient number, since it is larger than the sum of its proper divisors (21743).

12541357 is an equidigital number, since it uses as much as digits as its factorization.

12541357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21742.

The product of its digits is 4200, while the sum is 28.

The square root of 12541357 is about 3541.3778392033. The cubic root of 12541357 is about 232.3351095093.

Adding to 12541357 its reverse (75314521), we get a palindrome (87855878).

The spelling of 12541357 in words is "twelve million, five hundred forty-one thousand, three hundred fifty-seven".