12060405 has 24 divisors (see below), whose sum is σ = 23891712. Its totient is φ = 5513184.

The previous prime is 12060397. The next prime is 12060407. The reversal of 12060405 is 50406021.

It is a happy number.

12060405 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12060405 - 2³ = 12060397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12060407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18829 + ... + 19458.

It is an arithmetic number, because the mean of its divisors is an integer number (995488).

Almost surely, 2^12060405 is an apocalyptic number.

12060405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12060405 is a deficient number, since it is larger than the sum of its proper divisors (11831307).

12060405 is a wasteful number, since it uses less digits than its factorization.

12060405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38305 (or 38302 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 12060405 is about 3472.8093814663. The cubic root of 12060405 is about 229.3263527617.

Adding to 12060405 its reverse (50406021), we get a palindrome (62466426).

The spelling of 12060405 in words is "twelve million, sixty thousand, four hundred five".