12241539 has 6 divisors (see below), whose sum is σ = 17682236. Its totient is φ = 8161020.

The previous prime is 12241519. The next prime is 12241571. The reversal of 12241539 is 93514221.

12241539 is a `hidden beast` number, since 122 + 4 + 1 + 539 = 666.

12241539 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12241539 - 2⁵ = 12241507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12241519) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 680077 + ... + 680094.

Almost surely, 2^12241539 is an apocalyptic number.

12241539 is a deficient number, since it is larger than the sum of its proper divisors (5440697).

12241539 is a wasteful number, since it uses less digits than its factorization.

12241539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360177 (or 1360174 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 12241539 is about 3498.7910769293. The cubic root of 12241539 is about 230.4687290438.

The spelling of 12241539 in words is "twelve million, two hundred forty-one thousand, five hundred thirty-nine".