12235541 has 4 divisors (see below), whose sum is σ = 12251232. Its totient is φ = 12219852.

The previous prime is 12235511. The next prime is 12235543. The reversal of 12235541 is 14553221.

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 12235541 - 2¹⁰ = 12234517 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 (12235543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6611 + ... + 8256.

It is an arithmetic number, because the mean of its divisors is an integer number (3062808).

Almost surely, 2^12235541 is an apocalyptic number.

It is an amenable number.

12235541 is a deficient number, since it is larger than the sum of its proper divisors (15691).

12235541 is an equidigital number, since it uses as much as digits as its factorization.

12235541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15690.

The product of its digits is 1200, while the sum is 23.

The square root of 12235541 is about 3497.9338186993. The cubic root of 12235541 is about 230.4310818909.

Adding to 12235541 its reverse (14553221), we get a palindrome (26788762).

The spelling of 12235541 in words is "twelve million, two hundred thirty-five thousand, five hundred forty-one".