12055541 has 4 divisors (see below), whose sum is σ = 12065292. Its totient is φ = 12045792.

The previous prime is 12055531. The next prime is 12055553. The reversal of 12055541 is 14555021.

It is a happy number.

12055541 is nontrivially palindromic in base 3.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 11874916 + 180625 = 3446^2 + 425^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12055541 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 (12055531) 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, 2696 + ... + 5601.

It is an arithmetic number, because the mean of its divisors is an integer number (3016323).

Almost surely, 2^12055541 is an apocalyptic number.

It is an amenable number.

12055541 is a deficient number, since it is larger than the sum of its proper divisors (9751).

12055541 is an equidigital number, since it uses as much as digits as its factorization.

12055541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9750.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 12055541 is about 3472.1090132656. The cubic root of 12055541 is about 229.2955192652.

The spelling of 12055541 in words is "twelve million, fifty-five thousand, five hundred forty-one".