12775541 has 4 divisors (see below), whose sum is σ = 12796800. Its totient is φ = 12754284.

The previous prime is 12775537. The next prime is 12775547. The reversal of 12775541 is 14557721.

12775541 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12775541 - 2² = 12775537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12775498 and 12775507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12775547) 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, 9701 + ... + 10938.

It is an arithmetic number, because the mean of its divisors is an integer number (3199200).

Almost surely, 2^12775541 is an apocalyptic number.

It is an amenable number.

12775541 is a deficient number, since it is larger than the sum of its proper divisors (21259).

12775541 is an equidigital number, since it uses as much as digits as its factorization.

12775541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21258.

The product of its digits is 9800, while the sum is 32.

The square root of 12775541 is about 3574.2888803229. The cubic root of 12775541 is about 233.7723270732.

The spelling of 12775541 in words is "twelve million, seven hundred seventy-five thousand, five hundred forty-one".