12557541 has 8 divisors (see below), whose sum is σ = 17196064. Its totient is φ = 8145360.

The previous prime is 12557491. The next prime is 12557549. The reversal of 12557541 is 14575521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12557541 - 2¹⁴ = 12541157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12557499 and 12557508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12557549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56455 + ... + 56676.

It is an arithmetic number, because the mean of its divisors is an integer number (2149508).

Almost surely, 2^12557541 is an apocalyptic number.

It is an amenable number.

12557541 is a deficient number, since it is larger than the sum of its proper divisors (4638523).

12557541 is a wasteful number, since it uses less digits than its factorization.

12557541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113171.

The product of its digits is 7000, while the sum is 30.

The square root of 12557541 is about 3543.6620888567. The cubic root of 12557541 is about 232.4350055349.

The spelling of 12557541 in words is "twelve million, five hundred fifty-seven thousand, five hundred forty-one".