12061541 has 4 divisors (see below), whose sum is σ = 12241632. Its totient is φ = 11881452.

The previous prime is 12061537. The next prime is 12061549. The reversal of 12061541 is 14516021.

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 12061541 - 2² = 12061537 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12061549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89945 + ... + 90078.

It is an arithmetic number, because the mean of its divisors is an integer number (3060408).

Almost surely, 2^12061541 is an apocalyptic number.

It is an amenable number.

12061541 is a deficient number, since it is larger than the sum of its proper divisors (180091).

12061541 is an equidigital number, since it uses as much as digits as its factorization.

12061541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180090.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 12061541 is about 3472.9729339573. The cubic root of 12061541 is about 229.3335528117. Note that the first 3 decimals are identical.

Adding to 12061541 its reverse (14516021), we get a palindrome (26577562).

The spelling of 12061541 in words is "twelve million, sixty-one thousand, five hundred forty-one".