12557041 has 4 divisors (see below), whose sum is σ = 14350912. Its totient is φ = 10763172.

The previous prime is 12557021. The next prime is 12557053. The reversal of 12557041 is 14075521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14075521 = 157 ⋅89653.

It is not a de Polignac number, because 12557041 - 2⁹ = 12556529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12556997 and 12557015.

It is not an unprimeable number, because it can be changed into a prime (12557021) 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, 896925 + ... + 896938.

It is an arithmetic number, because the mean of its divisors is an integer number (3587728).

Almost surely, 2^12557041 is an apocalyptic number.

It is an amenable number.

12557041 is a deficient number, since it is larger than the sum of its proper divisors (1793871).

12557041 is an equidigital number, since it uses as much as digits as its factorization.

12557041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1793870.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 12557041 is about 3543.5915396671. The cubic root of 12557041 is about 232.4319205614.

The spelling of 12557041 in words is "twelve million, five hundred fifty-seven thousand, forty-one".